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Publisher Description

"This is doodling for digital natives . . . mind blowing." - Wired Magazine

"Uzu for iPad is endlessly complicated, simply fun." - Ars Technica

Uzu is a generative design playground - a math-physics-art toy for anyone who ever loved spirographs, fireworks, planetariums, lava lamps, light painting, kaleidoscopes, or graphing calculators. Touch the screen and watch thousands of particles swirl, spiral, and bloom in real time. Change the entire feel by simply changing how many fingers you use.

Relax. Play. Meditate. Create wallpapers. Or lose yourself for an hour tweaking symmetry, animation modes, and effects. Uzu is endlessly deep and simply fun.

Now completely rebuilt with a native Metal engine and a beautiful SwiftUI interface - smoother, richer, and more powerful than ever.

FEATURES
. Fully dynamic generative particle system
. 21 animation modes for each touch count (0 through 10)
. Rotational, translational, and reflective symmetry
. 122 factory presets plus unlimited user presets
. 10 visual effects: Glow, Warp, Kaleidoscope, Sparkle, Feedback, Color, Gradient, Pixelate, Scanlines, and Vignette
. Export and import presets - save, share, and back up your creations
. Fast preset switching, shake to hide the menu, adjustable quality settings
. Freeze mode, microphone reactivity, and thousands of possible combinations
. Create stunning backgrounds for iPhone and iPad

ACCLAIM
. Winner of Apple's "App of the Week"
. Apple Rewind: Best Generative Art and Sound App
. Reached #1 on the App Store
. Featured in Apple's "App Store Essentials Hall of Fame"
. Seen in the "Year of the iPad" video at the iPad keynote
. Featured as an Apple Staff Favorite

SUPPORT
Questions or stories? We'd love to hear from you.

jason@colordodge.com
www.colordodge.com

Version History Uzu 4.2 is here — and it’s a colorful one.
Meet the new Colors panel: your dedicated space for Simple mode, custom palettes, randomization, and palette animation.

———— Version 4.2 ————

• New Colors panel with Simple color mode

• Save, load, and animate your own color palettes

• Color randomization for fresh looks in one tap

• Favorite presets now appear at the top of the list

• Choose which preset category autoplay uses

• 22 new factory presets
• New Gradient effect

• Glow effect: additional parameters

• Kaleidoscope: new Radial mode, plus pinch and rotate gestures

• Improved tunnel warp parameters

• Better macOS (Designed for iPad) support

• Improved line rendering at reduced quality

• Various UI improvements
———— Version 4.1 ————

• Added 45 factory presets
• Added all 55 legacy factory Presets
• You can now tap the Preset section header to quickly jump to a specific section
• Added grid mode to the preset panel - access it by tapping the preset section header
———— Version 4.0 ————

Uzu has been completely rebuilt from the ground up — faster, more beautiful, and more powerful than ever.

• All-new Metal rendering engine for smoother, richer particle visuals
• Redesigned SwiftUI interface that's cleaner and easier to use
• 9 new shader effects: Glow, Warp, Kaleidoscope, Sparkle, Feedback, Color, Pixelate, Scanlines, and Vignette
• 67 refreshed factory presets, ready to explore
• Export and import presets — share your creations or back them up
• Fast preset switching — jump between presets from the screen edges
• Shake to show or hide the interface for an uninterrupted light show
• Choose render quality from Low to Ultra
• Reorder your user presets
• Save over the current preset when tweaking a favorite look 4.2 Jul 2 Based on user feedback, I have brought back all the factory presets from version 3.0. There is now a section in the preset list called 'Legacy Presets' that contains all of the presets from version 3.0. The 'Factory Presets' section has the new presets from version 4.0.

---------------------- Version 4.1 ----------------------

• Added 45 factory presets
• Added all 55 legacy factory Presets
• You can now tap the Preset section header to quickly jump to a specific section
• Added grid mode to the preset panel - access it by tapping the preset section header

---------------------- Version 4.0 ----------------------

Uzu has been completely rebuilt from the ground up — faster, more beautiful, and more powerful than ever.

• All-new Metal rendering engine for smoother, richer particle visuals
• Redesigned SwiftUI interface that's cleaner and easier to use
• 9 new shader effects: Glow, Warp, Kaleidoscope, Sparkle, Feedback, Color, Pixelate, Scanlines, and Vignette
• 67 refreshed factory presets, ready to explore
• Export and import presets — share your creations or back them up
• Fast preset switching — jump between presets from the screen edges
• Shake to show or hide the interface for an uninterrupted light show
• Choose render quality from Low to Ultra
• Reorder your user presets
• Save over the current preset when tweaking a favorite look

Thank you for being part of Uzu's journey since 2010. We hope you love this new chapter. 4.1 Jun 19 Uzu has been completely rebuilt from the ground up — faster, more beautiful, and more powerful than ever.

• All-new Metal rendering engine for smoother, richer particle visuals
• Redesigned SwiftUI interface that's cleaner and easier to use
• 9 new shader effects: Glow, Warp, Kaleidoscope, Sparkle, Feedback, Color, Pixelate, Scanlines, and Vignette
• 67 refreshed factory presets, ready to explore
• Export and import presets — share your creations or back them up
• Fast preset switching — jump between presets from the screen edges
• Shake to show or hide the interface for an uninterrupted light show
• Choose render quality from Low to Ultra
• Reorder your user presets
• Save over the current preset when tweaking a favorite look

Thank you for being part of Uzu's journey since 2010. We hope you love this new chapter. 4.0 Jun 11 --- VERSION 3.2.1
- Fixed bug where mic input wasn't working correctly on some devices

--- VERSION 3.2
This update includes high frame rates, slow motion, and microphone audio responsiveness. In order to make high frame rates possible I had to rewrite all of the animation modes to support a variable time scale. I was then able to use this variable time scale to respond to audio from the microphone. There is a slider in the options panel that allow you to adjust the microphone sensitivity. Thank you so much to all the people who continue to download and support this app.

- Support for high frame rates. Uzu will now use the maximum frame rate of the device. This means 60fps for iPhone and iPad and 120fps for iPad Pro.
- Introduced "Time Scale" property slider that allows you to adjust the speed of the animations without changing the overall shape. See Uzu in slow mo!
- Renamed "Speed" to "Energy". This was done to help differentiate the two properties for affecting the overall speed.
- Uzu now reacts to audio from the microphone. When this mode is enabled, Uzu maps the mic levels to the "Time Scale" property.
- Added mic button to quick action menu.
- The quick action menu now hides when touching the screen.
- The quick action menu hides after a shorter period when not touching the screen.
- Added a slider in the options panel to adjust microphone sensitivity.
- Fixed a number of UI bugs where text would be the wrong color. 3.2.1 08/07/2020 This update includes high frame rates, slow motion, and microphone audio responsiveness. In order to make high frame rates possible I had to rewrite all of the animation modes to support a variable time scale. I was then able to use this variable time scale to respond to audio from the microphone. There is a slider in the options panel that allow you to adjust the microphone sensitivity. Thank you so much to all the people who continue to download and support this app.

- Support for high frame rates. Uzu will now use the maximum frame rate of the device. This means 60fps for iPhone and iPad and 120fps for iPad Pro.
- Introduced "Time Scale" property slider that allows you to adjust the speed of the animations without changing the overall shape. See Uzu in slow mo!
- Renamed "Speed" to "Energy". This was done to help differentiate the two properties for affecting the overall speed.
- Uzu now reacts to audio from the microphone. When this mode is enabled, Uzu maps the mic levels to the "Time Scale" property.
- Added mic button to quick action menu.
- The quick action menu now hides when touching the screen.
- The quick action menu hides after a shorter period when not touching the screen.
- Added a slider in the options panel to adjust microphone sensitivity.
- Fixed a number of UI bugs where text would be the wrong color. 3.2 08/04/2020 - fixed bug where saving a screenshot would sometimes crash the device
- fixed bug where label for fast preset switching was the wrong color 3.1.4 06/01/2020 - Fixed UI bug where the menu wasn't appearing on some iPads.
- Added UI support for iPhone X screens. 3.1.3 02/19/2019 Version 3.1.2
- Improved intro message: text is more clear and easier to dismiss.

Version 3.1.1
- Fixed bug where the app would crash when dismissing the keyboard

Version 3.1
- 64 bit support
- 15 new factory presets
- Redesigned user interface
- Improved autoplay animation
- New app icon
- On-screen access to quick actions: menu, next preset, previous preset, freeze mode, autoplay, screenshot
- Screenshot sharing to social media

Many thanks to all the fans who asked for the new update. And an even bigger thank you to Olga and Scarlett for their patience while I worked on this during evenings and weekends. I hope you all enjoy! 3.1.2 06/29/2017 Version 3.1.1
- Fixed bug where the app would crash when dismissing the keyboard

Version 3.1
- 64 bit support
- 15 new factory presets
- Redesigned user interface
- Improved autoplay animation
- New app icon
- On-screen access to quick actions: menu, next preset, previous preset, freeze mode, autoplay, screenshot
- Screenshot sharing to social media

Many thanks to all the fans who asked for the new update. And an even bigger thank you to Olga and Scarlett for their patience while I worked on this during evenings and weekends. I hope you all enjoy! 3.1.1 06/28/2017 - 64 bit support
- 15 new factory presets
- Redesigned user interface
- Improved autoplay animation
- New app icon
- On-screen access to quick actions: menu, next preset, previous preset, freeze mode, autoplay, screenshot
- Screenshot sharing to social media

Many thanks to all the fans who asked for the new update. And an even bigger thank you to Olga and Scarlett for their patience while I worked on this during evenings and weekends. I hope you all enjoy! 3.1 06/24/2017 - Fixed crashing bug in iOS 8 3.0.1 12/06/2014 * Uzu is now a universal app for iPad, iPhone, and iPod Touch
* Retina support for all devices
* Completely redesigned UI
* 7 brand new animation modes (bringing the total to 21)
* 25 brand new factory presets (now a total of 42)
* 2 new symmetry modes: reflective and translational
* New color engine allows for selecting specific colors
* Support for background colors and gradients
* Randomization buttons for global and individual panel settings
* New settings: Hue Swirl, Saturation Offset, Brightness Offset 3.0 07/08/2014 Uzu 2.0 brings a number of new and exciting features to Uzu! This update is a big thank you to all the Uzu fans out there. Uzu wouldn't be where it is today without all the people who've loved it and showed it off to someone else. If you enjoy the update, please take a moment to rate Uzu or leave a review, these things help tremendously.

**** NEW FEATURES ****

* Rotational Symmetry (up to 50 axis)
* The ability to "Rewire" animation modes to a different touch count
* 3 New Animation Modes
* Save User Presets
* 18 Factory Presets
* Quick Preset List
* User Options
* Screenshot Button
* Alpha Transparency
* Particle Size and Hue Offset sliders added 2.0 04/25/2011 * bug fixes
* fixed performance issue with iOS 4.2 (beta)

*** NEW IN VERSION 1.2 ***

* Huge performance optimizations
* 3x more particles
* Adjustable settings via new in-app menu * Freeze mode for easily taking screen shots
* Motion trails for all new artistic effects
* Adjust red, green, and blue color offsets
* Line drag rendering option
* In-app menu help
* Optimized auto-rotation behavior
* Smoother interface animations
* Settings are saved on app exit
* Updated instructions 1.2.1 10/29/2010 * Huge performance optimizations
* 3x more particles
* Adjustable settings via new in-app menu
* Freeze mode for easily taking screen shots
* Motion trails for all new artistic effects
* Adjust red, green, and blue color offsets
* Line drag rendering option
* In-app menu help
* Optimized auto-rotation behavior
* Smoother interface animations
* Settings are saved on app exit
* Updated instructions 1.2 10/25/2010 *Bug fixes for reported crashing of version 1.1

*You may need to restart your iPad after updating (by holding down the lock button) in order to stop the launch crashes.

New in version 1.1:
*Added auto-play mode
*Added external display support (VGA Out)
*Added instructions page

:::: AUTO-PLAY CONTROL ::::

Auto-play allows you to sit back and enjoy Uzu's animations without needing to touch the screen. Auto-play mode randomly cycles through the different animation modes, simulating the movement of fingers across the screen. You can even interact with Uzu's "virtual" fingers by touching the screen while in auto-play mode. Up to 4 fingers can be used to interact with auto-play mode - at 5 fingers, auto-play mode is deactivated.

*To Enable Auto-Play: Give Uzu a quick front-to-back shake.

*To Disable Auto-Play: Touch the screen with 5 fingers.

*To Switch Auto-Play Modes: Shake Uzu again while auto-play is enabled.

During auto-play, animation modes will randomly switch and change. If you interact with auto-play mode by touching the screen, the current animation mode will stay locked until you release. In effect, the random switching of modes during auto-play is temporarily suppressed while touching the screen. If the combination of your touches and Uzu's touches are greater than 10, the animation mode starts again at 1 Touch.

:::: EXTERNAL DISPLAY SUPPORT ::::

You can watch Uzu on an external screen (TV, monitor, projector, etc…). To use an external display, simply plug in the the external display adapter (available for purchase on-line and in stores). Uzu will be shown on the external display, allowing you to use the iPad as a controller. This is great to use at social gatherings in conjunction with the auto-play mode.

*If you like Uzu, make sure to check out Little Uzu for the iPhone/iPod Touch.
http://itunes.apple.com/app/little-uzu/id386764406?mt=8 1.1.1 09/23/2010 *Added auto-play mode
*Added external display support (VGA Out)
*Added instructions page

**An update has already been submitted to address the reported crashing with version 1.1 Thank you for your patience.

:::: AUTO-PLAY CONTROL ::::

Auto-play allows you to sit back and enjoy Uzu's animations without needing to touch the screen. Auto-play mode randomly cycles through the different animation modes, simulating the movement of fingers across the screen. You can even interact with Uzu's "virtual" fingers by touching the screen while in auto-play mode. Up to 4 fingers can be used to interact with auto-play mode - at 5 fingers, auto-play mode is deactivated.

*To Enable Auto-Play: Give Uzu a quick front-to-back shake.

*To Disable Auto-Play: Touch the screen with 5 fingers.

*To Switch Auto-Play Modes: Shake Uzu again while auto-play is enabled.

During auto-play, animation modes will randomly switch and change. If you interact with auto-play mode by touching the screen, the current animation mode will stay locked until you release. In effect, the random switching of modes during auto-play is temporarily suppressed while touching the screen. If the combination of your touches and Uzu's touches are greater than 10, the animation mode starts again at 1 Touch.

:::: EXTERNAL DISPLAY SUPPORT ::::

You can watch Uzu on an external screen (TV, monitor, projector, etc…). To use an external display, simply plug in the the external display adapter (available for purchase on-line and in stores). Uzu will be shown on the external display, allowing you to use the iPad as a controller. This is great to use at social gatherings in conjunction with the auto-play mode.

*If you like Uzu, make sure to check out Little Uzu for the iPhone/iPod Touch.
http://itunes.apple.com/app/little-uzu/id386764406?mt=8 1.1 09/16/2010 * Fixed memory leak bug.

- Thanks to everyone who downloaded Uzu so far. I'm currently working on auto-play, motion controls, and VGA out support for the next versions. Stay tuned! 1.0.1 07/26/2010 1.0 06/12/2010



About Uzu, An Interactive Light Show

Uzu, An Interactive Light Show is a paid app for iOS published in the Tools & Editors list of apps, part of Games & Entertainment.

The company that develops Uzu, An Interactive Light Show is Jason K Smith. The latest version released by its developer is 4.2.

To install Uzu, An Interactive Light Show on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-15 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Uzu, An Interactive Light Show as malware if the download link is broken.

How to install Uzu, An Interactive Light Show on your iOS device:

  • Click on the Continue To App button on our website. This will redirect you to the App Store.
  • Once the Uzu, An Interactive Light Show is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
  • If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
  • After Uzu, An Interactive Light Show is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
  • Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.

Program Details


General

Publisher
Released Date
2026-10-15
Languages
English

Category

Category
Subcategory

System requirements

Operating systems
iOS

Download information

File size
17 bytes
Total downloads
0

Pricing

License model
Paid
Price

Version History


Here you can find the changelog of Uzu, An Interactive Light Show since it was posted on our website on 2016-09-24. The latest version is 4.2 and it was updated on Apps112 on 18 October, 2026. See below the changes in each version:

version 4.2

posted on 2026-10-15

Version History Uzu 4.2 is here — and it’s a colorful one.
Meet the new Colors panel: your dedicated space for Simple mode, custom palettes, randomization, and palette animation.

———— Version 4.2 ————

• New Colors panel with Simple color mode

• Save, load, and animate your own color palettes

• Color randomization for fresh looks in one tap

• Favorite presets now appear at the top of the list

• Choose which preset category autoplay uses

• 22 new factory presets
• New Gradient effect

• Glow effect: additional parameters

• Kaleidoscope: new Radial mode, plus pinch and rotate gestures

• Improved tunnel warp parameters

• Better macOS (Designed for iPad) support

• Improved line rendering at reduced quality

• Various UI improvements
———— Version 4.1 ————

• Added 45 factory presets
• Added all 55 legacy factory Presets
• You can now tap the Preset section header to quickly jump to a specific section
• Added grid mode to the preset panel - access it by tapping the preset section header
———— Version 4.0 ————

Uzu has been completely rebuilt from the ground up — faster, more beautiful, and more powerful than ever.

• All-new Metal rendering engine for smoother, richer particle visuals
• Redesigned SwiftUI interface that's cleaner and easier to use
• 9 new shader effects: Glow, Warp, Kaleidoscope, Sparkle, Feedback, Color, Pixelate, Scanlines, and Vignette
• 67 refreshed factory presets, ready to explore
• Export and import presets — share your creations or back them up
• Fast preset switching — jump between presets from the screen edges
• Shake to show or hide the interface for an uninterrupted light show
• Choose render quality from Low to Ultra
• Reorder your user presets
• Save over the current preset when tweaking a favorite look 4.2 Jul 2 Based on user feedback, I have brought back all the factory presets from version 3.0. There is now a section in the preset list called 'Legacy Presets' that contains all of the presets from version 3.0. The 'Factory Presets' section has the new presets from version 4.0.

---------------------- Version 4.1 ----------------------

• Added 45 factory presets
• Added all 55 legacy factory Presets
• You can now tap the Preset section header to quickly jump to a specific section
• Added grid mode to the preset panel - access it by tapping the preset section header

---------------------- Version 4.0 ----------------------

Uzu has been completely rebuilt from the ground up — faster, more beautiful, and more powerful than ever.

• All-new Metal rendering engine for smoother, richer particle visuals
• Redesigned SwiftUI interface that's cleaner and easier to use
• 9 new shader effects: Glow, Warp, Kaleidoscope, Sparkle, Feedback, Color, Pixelate, Scanlines, and Vignette
• 67 refreshed factory presets, ready to explore
• Export and import presets — share your creations or back them up
• Fast preset switching — jump between presets from the screen edges
• Shake to show or hide the interface for an uninterrupted light show
• Choose render quality from Low to Ultra
• Reorder your user presets
• Save over the current preset when tweaking a favorite look

Thank you for being part of Uzu's journey since 2010. We hope you love this new chapter. 4.1 Jun 19 Uzu has been completely rebuilt from the ground up — faster, more beautiful, and more powerful than ever.

• All-new Metal rendering engine for smoother, richer particle visuals
• Redesigned SwiftUI interface that's cleaner and easier to use
• 9 new shader effects: Glow, Warp, Kaleidoscope, Sparkle, Feedback, Color, Pixelate, Scanlines, and Vignette
• 67 refreshed factory presets, ready to explore
• Export and import presets — share your creations or back them up
• Fast preset switching — jump between presets from the screen edges
• Shake to show or hide the interface for an uninterrupted light show
• Choose render quality from Low to Ultra
• Reorder your user presets
• Save over the current preset when tweaking a favorite look

Thank you for being part of Uzu's journey since 2010. We hope you love this new chapter. 4.0 Jun 11 --- VERSION 3.2.1
- Fixed bug where mic input wasn't working correctly on some devices

--- VERSION 3.2
This update includes high frame rates, slow motion, and microphone audio responsiveness. In order to make high frame rates possible I had to rewrite all of the animation modes to support a variable time scale. I was then able to use this variable time scale to respond to audio from the microphone. There is a slider in the options panel that allow you to adjust the microphone sensitivity. Thank you so much to all the people who continue to download and support this app.

- Support for high frame rates. Uzu will now use the maximum frame rate of the device. This means 60fps for iPhone and iPad and 120fps for iPad Pro.
- Introduced "Time Scale" property slider that allows you to adjust the speed of the animations without changing the overall shape. See Uzu in slow mo!
- Renamed "Speed" to "Energy". This was done to help differentiate the two properties for affecting the overall speed.
- Uzu now reacts to audio from the microphone. When this mode is enabled, Uzu maps the mic levels to the "Time Scale" property.
- Added mic button to quick action menu.
- The quick action menu now hides when touching the screen.
- The quick action menu hides after a shorter period when not touching the screen.
- Added a slider in the options panel to adjust microphone sensitivity.
- Fixed a number of UI bugs where text would be the wrong color. 3.2.1 08/07/2020 This update includes high frame rates, slow motion, and microphone audio responsiveness. In order to make high frame rates possible I had to rewrite all of the animation modes to support a variable time scale. I was then able to use this variable time scale to respond to audio from the microphone. There is a slider in the options panel that allow you to adjust the microphone sensitivity. Thank you so much to all the people who continue to download and support this app.

- Support for high frame rates. Uzu will now use the maximum frame rate of the device. This means 60fps for iPhone and iPad and 120fps for iPad Pro.
- Introduced "Time Scale" property slider that allows you to adjust the speed of the animations without changing the overall shape. See Uzu in slow mo!
- Renamed "Speed" to "Energy". This was done to help differentiate the two properties for affecting the overall speed.
- Uzu now reacts to audio from the microphone. When this mode is enabled, Uzu maps the mic levels to the "Time Scale" property.
- Added mic button to quick action menu.
- The quick action menu now hides when touching the screen.
- The quick action menu hides after a shorter period when not touching the screen.
- Added a slider in the options panel to adjust microphone sensitivity.
- Fixed a number of UI bugs where text would be the wrong color. 3.2 08/04/2020 - fixed bug where saving a screenshot would sometimes crash the device
- fixed bug where label for fast preset switching was the wrong color 3.1.4 06/01/2020 - Fixed UI bug where the menu wasn't appearing on some iPads.
- Added UI support for iPhone X screens. 3.1.3 02/19/2019 Version 3.1.2
- Improved intro message: text is more clear and easier to dismiss.

Version 3.1.1
- Fixed bug where the app would crash when dismissing the keyboard

Version 3.1
- 64 bit support
- 15 new factory presets
- Redesigned user interface
- Improved autoplay animation
- New app icon
- On-screen access to quick actions: menu, next preset, previous preset, freeze mode, autoplay, screenshot
- Screenshot sharing to social media

Many thanks to all the fans who asked for the new update. And an even bigger thank you to Olga and Scarlett for their patience while I worked on this during evenings and weekends. I hope you all enjoy! 3.1.2 06/29/2017 Version 3.1.1
- Fixed bug where the app would crash when dismissing the keyboard

Version 3.1
- 64 bit support
- 15 new factory presets
- Redesigned user interface
- Improved autoplay animation
- New app icon
- On-screen access to quick actions: menu, next preset, previous preset, freeze mode, autoplay, screenshot
- Screenshot sharing to social media

Many thanks to all the fans who asked for the new update. And an even bigger thank you to Olga and Scarlett for their patience while I worked on this during evenings and weekends. I hope you all enjoy! 3.1.1 06/28/2017 - 64 bit support
- 15 new factory presets
- Redesigned user interface
- Improved autoplay animation
- New app icon
- On-screen access to quick actions: menu, next preset, previous preset, freeze mode, autoplay, screenshot
- Screenshot sharing to social media

Many thanks to all the fans who asked for the new update. And an even bigger thank you to Olga and Scarlett for their patience while I worked on this during evenings and weekends. I hope you all enjoy! 3.1 06/24/2017 - Fixed crashing bug in iOS 8 3.0.1 12/06/2014 * Uzu is now a universal app for iPad, iPhone, and iPod Touch
* Retina support for all devices
* Completely redesigned UI
* 7 brand new animation modes (bringing the total to 21)
* 25 brand new factory presets (now a total of 42)
* 2 new symmetry modes: reflective and translational
* New color engine allows for selecting specific colors
* Support for background colors and gradients
* Randomization buttons for global and individual panel settings
* New settings: Hue Swirl, Saturation Offset, Brightness Offset 3.0 07/08/2014 Uzu 2.0 brings a number of new and exciting features to Uzu! This update is a big thank you to all the Uzu fans out there. Uzu wouldn't be where it is today without all the people who've loved it and showed it off to someone else. If you enjoy the update, please take a moment to rate Uzu or leave a review, these things help tremendously.

**** NEW FEATURES ****

* Rotational Symmetry (up to 50 axis)
* The ability to "Rewire" animation modes to a different touch count
* 3 New Animation Modes
* Save User Presets
* 18 Factory Presets
* Quick Preset List
* User Options
* Screenshot Button
* Alpha Transparency
* Particle Size and Hue Offset sliders added 2.0 04/25/2011 * bug fixes
* fixed performance issue with iOS 4.2 (beta)

*** NEW IN VERSION 1.2 ***

* Huge performance optimizations
* 3x more particles
* Adjustable settings via new in-app menu * Freeze mode for easily taking screen shots
* Motion trails for all new artistic effects
* Adjust red, green, and blue color offsets
* Line drag rendering option
* In-app menu help
* Optimized auto-rotation behavior
* Smoother interface animations
* Settings are saved on app exit
* Updated instructions 1.2.1 10/29/2010 * Huge performance optimizations
* 3x more particles
* Adjustable settings via new in-app menu
* Freeze mode for easily taking screen shots
* Motion trails for all new artistic effects
* Adjust red, green, and blue color offsets
* Line drag rendering option
* In-app menu help
* Optimized auto-rotation behavior
* Smoother interface animations
* Settings are saved on app exit
* Updated instructions 1.2 10/25/2010 *Bug fixes for reported crashing of version 1.1

*You may need to restart your iPad after updating (by holding down the lock button) in order to stop the launch crashes.

New in version 1.1:
*Added auto-play mode
*Added external display support (VGA Out)
*Added instructions page

:::: AUTO-PLAY CONTROL ::::

Auto-play allows you to sit back and enjoy Uzu's animations without needing to touch the screen. Auto-play mode randomly cycles through the different animation modes, simulating the movement of fingers across the screen. You can even interact with Uzu's "virtual" fingers by touching the screen while in auto-play mode. Up to 4 fingers can be used to interact with auto-play mode - at 5 fingers, auto-play mode is deactivated.

*To Enable Auto-Play: Give Uzu a quick front-to-back shake.

*To Disable Auto-Play: Touch the screen with 5 fingers.

*To Switch Auto-Play Modes: Shake Uzu again while auto-play is enabled.

During auto-play, animation modes will randomly switch and change. If you interact with auto-play mode by touching the screen, the current animation mode will stay locked until you release. In effect, the random switching of modes during auto-play is temporarily suppressed while touching the screen. If the combination of your touches and Uzu's touches are greater than 10, the animation mode starts again at 1 Touch.

:::: EXTERNAL DISPLAY SUPPORT ::::

You can watch Uzu on an external screen (TV, monitor, projector, etc…). To use an external display, simply plug in the the external display adapter (available for purchase on-line and in stores). Uzu will be shown on the external display, allowing you to use the iPad as a controller. This is great to use at social gatherings in conjunction with the auto-play mode.

*If you like Uzu, make sure to check out Little Uzu for the iPhone/iPod Touch.
http://itunes.apple.com/app/little-uzu/id386764406?mt=8 1.1.1 09/23/2010 *Added auto-play mode
*Added external display support (VGA Out)
*Added instructions page

**An update has already been submitted to address the reported crashing with version 1.1 Thank you for your patience.

:::: AUTO-PLAY CONTROL ::::

Auto-play allows you to sit back and enjoy Uzu's animations without needing to touch the screen. Auto-play mode randomly cycles through the different animation modes, simulating the movement of fingers across the screen. You can even interact with Uzu's "virtual" fingers by touching the screen while in auto-play mode. Up to 4 fingers can be used to interact with auto-play mode - at 5 fingers, auto-play mode is deactivated.

*To Enable Auto-Play: Give Uzu a quick front-to-back shake.

*To Disable Auto-Play: Touch the screen with 5 fingers.

*To Switch Auto-Play Modes: Shake Uzu again while auto-play is enabled.

During auto-play, animation modes will randomly switch and change. If you interact with auto-play mode by touching the screen, the current animation mode will stay locked until you release. In effect, the random switching of modes during auto-play is temporarily suppressed while touching the screen. If the combination of your touches and Uzu's touches are greater than 10, the animation mode starts again at 1 Touch.

:::: EXTERNAL DISPLAY SUPPORT ::::

You can watch Uzu on an external screen (TV, monitor, projector, etc…). To use an external display, simply plug in the the external display adapter (available for purchase on-line and in stores). Uzu will be shown on the external display, allowing you to use the iPad as a controller. This is great to use at social gatherings in conjunction with the auto-play mode.

*If you like Uzu, make sure to check out Little Uzu for the iPhone/iPod Touch.
http://itunes.apple.com/app/little-uzu/id386764406?mt=8 1.1 09/16/2010 * Fixed memory leak bug.

- Thanks to everyone who downloaded Uzu so far. I'm currently working on auto-play, motion controls, and VGA out support for the next versions. Stay tuned! 1.0.1 07/26/2010 1.0 06/12/2010

version 4.2

posted on 2026-07-04

Version History Uzu 4.2 is here — and it’s a colorful one.
Meet the new Colors panel: your dedicated space for Simple mode, custom palettes, randomization, and palette animation.

———— Version 4.2 ————

• New Colors panel with Simple color mode

• Save, load, and animate your own color palettes

• Color randomization for fresh looks in one tap

• Favorite presets now appear at the top of the list

• Choose which preset category autoplay uses

• 22 new factory presets
• New Gradient effect

• Glow effect: additional parameters

• Kaleidoscope: new Radial mode, plus pinch and rotate gestures

• Improved tunnel warp parameters

• Better macOS (Designed for iPad) support

• Improved line rendering at reduced quality

• Various UI improvements
———— Version 4.1 ————

• Added 45 factory presets
• Added all 55 legacy factory Presets
• You can now tap the Preset section header to quickly jump to a specific section
• Added grid mode to the preset panel - access it by tapping the preset section header
———— Version 4.0 ————

Uzu has been completely rebuilt from the ground up — faster, more beautiful, and more powerful than ever.

• All-new Metal rendering engine for smoother, richer particle visuals
• Redesigned SwiftUI interface that's cleaner and easier to use
• 9 new shader effects: Glow, Warp, Kaleidoscope, Sparkle, Feedback, Color, Pixelate, Scanlines, and Vignette
• 67 refreshed factory presets, ready to explore
• Export and import presets — share your creations or back them up
• Fast preset switching — jump between presets from the screen edges
• Shake to show or hide the interface for an uninterrupted light show
• Choose render quality from Low to Ultra
• Reorder your user presets
• Save over the current preset when tweaking a favorite look 4.2 1d ago Based on user feedback, I have brought back all the factory presets from version 3.0. There is now a section in the preset list called 'Legacy Presets' that contains all of the presets from version 3.0. The 'Factory Presets' section has the new presets from version 4.0.

---------------------- Version 4.1 ----------------------

• Added 45 factory presets
• Added all 55 legacy factory Presets
• You can now tap the Preset section header to quickly jump to a specific section
• Added grid mode to the preset panel - access it by tapping the preset section header

---------------------- Version 4.0 ----------------------

Uzu has been completely rebuilt from the ground up — faster, more beautiful, and more powerful than ever.

• All-new Metal rendering engine for smoother, richer particle visuals
• Redesigned SwiftUI interface that's cleaner and easier to use
• 9 new shader effects: Glow, Warp, Kaleidoscope, Sparkle, Feedback, Color, Pixelate, Scanlines, and Vignette
• 67 refreshed factory presets, ready to explore
• Export and import presets — share your creations or back them up
• Fast preset switching — jump between presets from the screen edges
• Shake to show or hide the interface for an uninterrupted light show
• Choose render quality from Low to Ultra
• Reorder your user presets
• Save over the current preset when tweaking a favorite look

Thank you for being part of Uzu's journey since 2010. We hope you love this new chapter. 4.1 Jun 19 Uzu has been completely rebuilt from the ground up — faster, more beautiful, and more powerful than ever.

• All-new Metal rendering engine for smoother, richer particle visuals
• Redesigned SwiftUI interface that's cleaner and easier to use
• 9 new shader effects: Glow, Warp, Kaleidoscope, Sparkle, Feedback, Color, Pixelate, Scanlines, and Vignette
• 67 refreshed factory presets, ready to explore
• Export and import presets — share your creations or back them up
• Fast preset switching — jump between presets from the screen edges
• Shake to show or hide the interface for an uninterrupted light show
• Choose render quality from Low to Ultra
• Reorder your user presets
• Save over the current preset when tweaking a favorite look

Thank you for being part of Uzu's journey since 2010. We hope you love this new chapter. 4.0 Jun 11 --- VERSION 3.2.1
- Fixed bug where mic input wasn't working correctly on some devices

--- VERSION 3.2
This update includes high frame rates, slow motion, and microphone audio responsiveness. In order to make high frame rates possible I had to rewrite all of the animation modes to support a variable time scale. I was then able to use this variable time scale to respond to audio from the microphone. There is a slider in the options panel that allow you to adjust the microphone sensitivity. Thank you so much to all the people who continue to download and support this app.

- Support for high frame rates. Uzu will now use the maximum frame rate of the device. This means 60fps for iPhone and iPad and 120fps for iPad Pro.
- Introduced "Time Scale" property slider that allows you to adjust the speed of the animations without changing the overall shape. See Uzu in slow mo!
- Renamed "Speed" to "Energy". This was done to help differentiate the two properties for affecting the overall speed.
- Uzu now reacts to audio from the microphone. When this mode is enabled, Uzu maps the mic levels to the "Time Scale" property.
- Added mic button to quick action menu.
- The quick action menu now hides when touching the screen.
- The quick action menu hides after a shorter period when not touching the screen.
- Added a slider in the options panel to adjust microphone sensitivity.
- Fixed a number of UI bugs where text would be the wrong color. 3.2.1 08/07/2020 This update includes high frame rates, slow motion, and microphone audio responsiveness. In order to make high frame rates possible I had to rewrite all of the animation modes to support a variable time scale. I was then able to use this variable time scale to respond to audio from the microphone. There is a slider in the options panel that allow you to adjust the microphone sensitivity. Thank you so much to all the people who continue to download and support this app.

- Support for high frame rates. Uzu will now use the maximum frame rate of the device. This means 60fps for iPhone and iPad and 120fps for iPad Pro.
- Introduced "Time Scale" property slider that allows you to adjust the speed of the animations without changing the overall shape. See Uzu in slow mo!
- Renamed "Speed" to "Energy". This was done to help differentiate the two properties for affecting the overall speed.
- Uzu now reacts to audio from the microphone. When this mode is enabled, Uzu maps the mic levels to the "Time Scale" property.
- Added mic button to quick action menu.
- The quick action menu now hides when touching the screen.
- The quick action menu hides after a shorter period when not touching the screen.
- Added a slider in the options panel to adjust microphone sensitivity.
- Fixed a number of UI bugs where text would be the wrong color. 3.2 08/04/2020 - fixed bug where saving a screenshot would sometimes crash the device
- fixed bug where label for fast preset switching was the wrong color 3.1.4 06/01/2020 - Fixed UI bug where the menu wasn't appearing on some iPads.
- Added UI support for iPhone X screens. 3.1.3 02/19/2019 Version 3.1.2
- Improved intro message: text is more clear and easier to dismiss.

Version 3.1.1
- Fixed bug where the app would crash when dismissing the keyboard

Version 3.1
- 64 bit support
- 15 new factory presets
- Redesigned user interface
- Improved autoplay animation
- New app icon
- On-screen access to quick actions: menu, next preset, previous preset, freeze mode, autoplay, screenshot
- Screenshot sharing to social media

Many thanks to all the fans who asked for the new update. And an even bigger thank you to Olga and Scarlett for their patience while I worked on this during evenings and weekends. I hope you all enjoy! 3.1.2 06/29/2017 Version 3.1.1
- Fixed bug where the app would crash when dismissing the keyboard

Version 3.1
- 64 bit support
- 15 new factory presets
- Redesigned user interface
- Improved autoplay animation
- New app icon
- On-screen access to quick actions: menu, next preset, previous preset, freeze mode, autoplay, screenshot
- Screenshot sharing to social media

Many thanks to all the fans who asked for the new update. And an even bigger thank you to Olga and Scarlett for their patience while I worked on this during evenings and weekends. I hope you all enjoy! 3.1.1 06/28/2017 - 64 bit support
- 15 new factory presets
- Redesigned user interface
- Improved autoplay animation
- New app icon
- On-screen access to quick actions: menu, next preset, previous preset, freeze mode, autoplay, screenshot
- Screenshot sharing to social media

Many thanks to all the fans who asked for the new update. And an even bigger thank you to Olga and Scarlett for their patience while I worked on this during evenings and weekends. I hope you all enjoy! 3.1 06/24/2017 - Fixed crashing bug in iOS 8 3.0.1 12/06/2014 * Uzu is now a universal app for iPad, iPhone, and iPod Touch
* Retina support for all devices
* Completely redesigned UI
* 7 brand new animation modes (bringing the total to 21)
* 25 brand new factory presets (now a total of 42)
* 2 new symmetry modes: reflective and translational
* New color engine allows for selecting specific colors
* Support for background colors and gradients
* Randomization buttons for global and individual panel settings
* New settings: Hue Swirl, Saturation Offset, Brightness Offset 3.0 07/08/2014 Uzu 2.0 brings a number of new and exciting features to Uzu! This update is a big thank you to all the Uzu fans out there. Uzu wouldn't be where it is today without all the people who've loved it and showed it off to someone else. If you enjoy the update, please take a moment to rate Uzu or leave a review, these things help tremendously.

**** NEW FEATURES ****

* Rotational Symmetry (up to 50 axis)
* The ability to "Rewire" animation modes to a different touch count
* 3 New Animation Modes
* Save User Presets
* 18 Factory Presets
* Quick Preset List
* User Options
* Screenshot Button
* Alpha Transparency
* Particle Size and Hue Offset sliders added 2.0 04/25/2011 * bug fixes
* fixed performance issue with iOS 4.2 (beta)

*** NEW IN VERSION 1.2 ***

* Huge performance optimizations
* 3x more particles
* Adjustable settings via new in-app menu * Freeze mode for easily taking screen shots
* Motion trails for all new artistic effects
* Adjust red, green, and blue color offsets
* Line drag rendering option
* In-app menu help
* Optimized auto-rotation behavior
* Smoother interface animations
* Settings are saved on app exit
* Updated instructions 1.2.1 10/29/2010 * Huge performance optimizations
* 3x more particles
* Adjustable settings via new in-app menu
* Freeze mode for easily taking screen shots
* Motion trails for all new artistic effects
* Adjust red, green, and blue color offsets
* Line drag rendering option
* In-app menu help
* Optimized auto-rotation behavior
* Smoother interface animations
* Settings are saved on app exit
* Updated instructions 1.2 10/25/2010 *Bug fixes for reported crashing of version 1.1

*You may need to restart your iPad after updating (by holding down the lock button) in order to stop the launch crashes.

New in version 1.1:
*Added auto-play mode
*Added external display support (VGA Out)
*Added instructions page

:::: AUTO-PLAY CONTROL ::::

Auto-play allows you to sit back and enjoy Uzu's animations without needing to touch the screen. Auto-play mode randomly cycles through the different animation modes, simulating the movement of fingers across the screen. You can even interact with Uzu's "virtual" fingers by touching the screen while in auto-play mode. Up to 4 fingers can be used to interact with auto-play mode - at 5 fingers, auto-play mode is deactivated.

*To Enable Auto-Play: Give Uzu a quick front-to-back shake.

*To Disable Auto-Play: Touch the screen with 5 fingers.

*To Switch Auto-Play Modes: Shake Uzu again while auto-play is enabled.

During auto-play, animation modes will randomly switch and change. If you interact with auto-play mode by touching the screen, the current animation mode will stay locked until you release. In effect, the random switching of modes during auto-play is temporarily suppressed while touching the screen. If the combination of your touches and Uzu's touches are greater than 10, the animation mode starts again at 1 Touch.

:::: EXTERNAL DISPLAY SUPPORT ::::

You can watch Uzu on an external screen (TV, monitor, projector, etc…). To use an external display, simply plug in the the external display adapter (available for purchase on-line and in stores). Uzu will be shown on the external display, allowing you to use the iPad as a controller. This is great to use at social gatherings in conjunction with the auto-play mode.

*If you like Uzu, make sure to check out Little Uzu for the iPhone/iPod Touch.
http://itunes.apple.com/app/little-uzu/id386764406?mt=8 1.1.1 09/23/2010 *Added auto-play mode
*Added external display support (VGA Out)
*Added instructions page

**An update has already been submitted to address the reported crashing with version 1.1 Thank you for your patience.

:::: AUTO-PLAY CONTROL ::::

Auto-play allows you to sit back and enjoy Uzu's animations without needing to touch the screen. Auto-play mode randomly cycles through the different animation modes, simulating the movement of fingers across the screen. You can even interact with Uzu's "virtual" fingers by touching the screen while in auto-play mode. Up to 4 fingers can be used to interact with auto-play mode - at 5 fingers, auto-play mode is deactivated.

*To Enable Auto-Play: Give Uzu a quick front-to-back shake.

*To Disable Auto-Play: Touch the screen with 5 fingers.

*To Switch Auto-Play Modes: Shake Uzu again while auto-play is enabled.

During auto-play, animation modes will randomly switch and change. If you interact with auto-play mode by touching the screen, the current animation mode will stay locked until you release. In effect, the random switching of modes during auto-play is temporarily suppressed while touching the screen. If the combination of your touches and Uzu's touches are greater than 10, the animation mode starts again at 1 Touch.

:::: EXTERNAL DISPLAY SUPPORT ::::

You can watch Uzu on an external screen (TV, monitor, projector, etc…). To use an external display, simply plug in the the external display adapter (available for purchase on-line and in stores). Uzu will be shown on the external display, allowing you to use the iPad as a controller. This is great to use at social gatherings in conjunction with the auto-play mode.

*If you like Uzu, make sure to check out Little Uzu for the iPhone/iPod Touch.
http://itunes.apple.com/app/little-uzu/id386764406?mt=8 1.1 09/16/2010 * Fixed memory leak bug.

- Thanks to everyone who downloaded Uzu so far. I'm currently working on auto-play, motion controls, and VGA out support for the next versions. Stay tuned! 1.0.1 07/26/2010 1.0 06/12/2010

version 4.1

posted on 2026-06-28

Version History Based on user feedback, I have brought back all the factory presets from version 3.0. There is now a section in the preset list called 'Legacy Presets' that contains all of the presets from version 3.0. The 'Factory Presets' section has the new presets from version 4.0.

---------------------- Version 4.1 ----------------------

• Added 45 factory presets
• Added all 55 legacy factory Presets
• You can now tap the Preset section header to quickly jump to a specific section
• Added grid mode to the preset panel - access it by tapping the preset section header

---------------------- Version 4.0 ----------------------

Uzu has been completely rebuilt from the ground up — faster, more beautiful, and more powerful than ever.

• All-new Metal rendering engine for smoother, richer particle visuals
• Redesigned SwiftUI interface that's cleaner and easier to use
• 9 new shader effects: Glow, Warp, Kaleidoscope, Sparkle, Feedback, Color, Pixelate, Scanlines, and Vignette
• 67 refreshed factory presets, ready to explore
• Export and import presets — share your creations or back them up
• Fast preset switching — jump between presets from the screen edges
• Shake to show or hide the interface for an uninterrupted light show
• Choose render quality from Low to Ultra
• Reorder your user presets
• Save over the current preset when tweaking a favorite look

Thank you for being part of Uzu's journey since 2010. We hope you love this new chapter. 4.1 Jun 19 Uzu has been completely rebuilt from the ground up — faster, more beautiful, and more powerful than ever.

• All-new Metal rendering engine for smoother, richer particle visuals
• Redesigned SwiftUI interface that's cleaner and easier to use
• 9 new shader effects: Glow, Warp, Kaleidoscope, Sparkle, Feedback, Color, Pixelate, Scanlines, and Vignette
• 67 refreshed factory presets, ready to explore
• Export and import presets — share your creations or back them up
• Fast preset switching — jump between presets from the screen edges
• Shake to show or hide the interface for an uninterrupted light show
• Choose render quality from Low to Ultra
• Reorder your user presets
• Save over the current preset when tweaking a favorite look

Thank you for being part of Uzu's journey since 2010. We hope you love this new chapter. 4.0 Jun 11 --- VERSION 3.2.1
- Fixed bug where mic input wasn't working correctly on some devices

--- VERSION 3.2
This update includes high frame rates, slow motion, and microphone audio responsiveness. In order to make high frame rates possible I had to rewrite all of the animation modes to support a variable time scale. I was then able to use this variable time scale to respond to audio from the microphone. There is a slider in the options panel that allow you to adjust the microphone sensitivity. Thank you so much to all the people who continue to download and support this app.

- Support for high frame rates. Uzu will now use the maximum frame rate of the device. This means 60fps for iPhone and iPad and 120fps for iPad Pro.
- Introduced "Time Scale" property slider that allows you to adjust the speed of the animations without changing the overall shape. See Uzu in slow mo!
- Renamed "Speed" to "Energy". This was done to help differentiate the two properties for affecting the overall speed.
- Uzu now reacts to audio from the microphone. When this mode is enabled, Uzu maps the mic levels to the "Time Scale" property.
- Added mic button to quick action menu.
- The quick action menu now hides when touching the screen.
- The quick action menu hides after a shorter period when not touching the screen.
- Added a slider in the options panel to adjust microphone sensitivity.
- Fixed a number of UI bugs where text would be the wrong color. 3.2.1 08/07/2020 This update includes high frame rates, slow motion, and microphone audio responsiveness. In order to make high frame rates possible I had to rewrite all of the animation modes to support a variable time scale. I was then able to use this variable time scale to respond to audio from the microphone. There is a slider in the options panel that allow you to adjust the microphone sensitivity. Thank you so much to all the people who continue to download and support this app.

- Support for high frame rates. Uzu will now use the maximum frame rate of the device. This means 60fps for iPhone and iPad and 120fps for iPad Pro.
- Introduced "Time Scale" property slider that allows you to adjust the speed of the animations without changing the overall shape. See Uzu in slow mo!
- Renamed "Speed" to "Energy". This was done to help differentiate the two properties for affecting the overall speed.
- Uzu now reacts to audio from the microphone. When this mode is enabled, Uzu maps the mic levels to the "Time Scale" property.
- Added mic button to quick action menu.
- The quick action menu now hides when touching the screen.
- The quick action menu hides after a shorter period when not touching the screen.
- Added a slider in the options panel to adjust microphone sensitivity.
- Fixed a number of UI bugs where text would be the wrong color. 3.2 08/04/2020 - fixed bug where saving a screenshot would sometimes crash the device
- fixed bug where label for fast preset switching was the wrong color 3.1.4 06/01/2020 - Fixed UI bug where the menu wasn't appearing on some iPads.
- Added UI support for iPhone X screens. 3.1.3 02/19/2019 Version 3.1.2
- Improved intro message: text is more clear and easier to dismiss.

Version 3.1.1
- Fixed bug where the app would crash when dismissing the keyboard

Version 3.1
- 64 bit support
- 15 new factory presets
- Redesigned user interface
- Improved autoplay animation
- New app icon
- On-screen access to quick actions: menu, next preset, previous preset, freeze mode, autoplay, screenshot
- Screenshot sharing to social media

Many thanks to all the fans who asked for the new update. And an even bigger thank you to Olga and Scarlett for their patience while I worked on this during evenings and weekends. I hope you all enjoy! 3.1.2 06/29/2017 Version 3.1.1
- Fixed bug where the app would crash when dismissing the keyboard

Version 3.1
- 64 bit support
- 15 new factory presets
- Redesigned user interface
- Improved autoplay animation
- New app icon
- On-screen access to quick actions: menu, next preset, previous preset, freeze mode, autoplay, screenshot
- Screenshot sharing to social media

Many thanks to all the fans who asked for the new update. And an even bigger thank you to Olga and Scarlett for their patience while I worked on this during evenings and weekends. I hope you all enjoy! 3.1.1 06/28/2017 - 64 bit support
- 15 new factory presets
- Redesigned user interface
- Improved autoplay animation
- New app icon
- On-screen access to quick actions: menu, next preset, previous preset, freeze mode, autoplay, screenshot
- Screenshot sharing to social media

Many thanks to all the fans who asked for the new update. And an even bigger thank you to Olga and Scarlett for their patience while I worked on this during evenings and weekends. I hope you all enjoy! 3.1 06/24/2017 - Fixed crashing bug in iOS 8 3.0.1 12/06/2014 * Uzu is now a universal app for iPad, iPhone, and iPod Touch
* Retina support for all devices
* Completely redesigned UI
* 7 brand new animation modes (bringing the total to 21)
* 25 brand new factory presets (now a total of 42)
* 2 new symmetry modes: reflective and translational
* New color engine allows for selecting specific colors
* Support for background colors and gradients
* Randomization buttons for global and individual panel settings
* New settings: Hue Swirl, Saturation Offset, Brightness Offset 3.0 07/08/2014 Uzu 2.0 brings a number of new and exciting features to Uzu! This update is a big thank you to all the Uzu fans out there. Uzu wouldn't be where it is today without all the people who've loved it and showed it off to someone else. If you enjoy the update, please take a moment to rate Uzu or leave a review, these things help tremendously.

**** NEW FEATURES ****

* Rotational Symmetry (up to 50 axis)
* The ability to "Rewire" animation modes to a different touch count
* 3 New Animation Modes
* Save User Presets
* 18 Factory Presets
* Quick Preset List
* User Options
* Screenshot Button
* Alpha Transparency
* Particle Size and Hue Offset sliders added 2.0 04/25/2011 * bug fixes
* fixed performance issue with iOS 4.2 (beta)

*** NEW IN VERSION 1.2 ***

* Huge performance optimizations
* 3x more particles
* Adjustable settings via new in-app menu * Freeze mode for easily taking screen shots
* Motion trails for all new artistic effects
* Adjust red, green, and blue color offsets
* Line drag rendering option
* In-app menu help
* Optimized auto-rotation behavior
* Smoother interface animations
* Settings are saved on app exit
* Updated instructions 1.2.1 10/29/2010 * Huge performance optimizations
* 3x more particles
* Adjustable settings via new in-app menu
* Freeze mode for easily taking screen shots
* Motion trails for all new artistic effects
* Adjust red, green, and blue color offsets
* Line drag rendering option
* In-app menu help
* Optimized auto-rotation behavior
* Smoother interface animations
* Settings are saved on app exit
* Updated instructions 1.2 10/25/2010 *Bug fixes for reported crashing of version 1.1

*You may need to restart your iPad after updating (by holding down the lock button) in order to stop the launch crashes.

New in version 1.1:
*Added auto-play mode
*Added external display support (VGA Out)
*Added instructions page

:::: AUTO-PLAY CONTROL ::::

Auto-play allows you to sit back and enjoy Uzu's animations without needing to touch the screen. Auto-play mode randomly cycles through the different animation modes, simulating the movement of fingers across the screen. You can even interact with Uzu's "virtual" fingers by touching the screen while in auto-play mode. Up to 4 fingers can be used to interact with auto-play mode - at 5 fingers, auto-play mode is deactivated.

*To Enable Auto-Play: Give Uzu a quick front-to-back shake.

*To Disable Auto-Play: Touch the screen with 5 fingers.

*To Switch Auto-Play Modes: Shake Uzu again while auto-play is enabled.

During auto-play, animation modes will randomly switch and change. If you interact with auto-play mode by touching the screen, the current animation mode will stay locked until you release. In effect, the random switching of modes during auto-play is temporarily suppressed while touching the screen. If the combination of your touches and Uzu's touches are greater than 10, the animation mode starts again at 1 Touch.

:::: EXTERNAL DISPLAY SUPPORT ::::

You can watch Uzu on an external screen (TV, monitor, projector, etc…). To use an external display, simply plug in the the external display adapter (available for purchase on-line and in stores). Uzu will be shown on the external display, allowing you to use the iPad as a controller. This is great to use at social gatherings in conjunction with the auto-play mode.

*If you like Uzu, make sure to check out Little Uzu for the iPhone/iPod Touch.
http://itunes.apple.com/app/little-uzu/id386764406?mt=8 1.1.1 09/23/2010 *Added auto-play mode
*Added external display support (VGA Out)
*Added instructions page

**An update has already been submitted to address the reported crashing with version 1.1 Thank you for your patience.

:::: AUTO-PLAY CONTROL ::::

Auto-play allows you to sit back and enjoy Uzu's animations without needing to touch the screen. Auto-play mode randomly cycles through the different animation modes, simulating the movement of fingers across the screen. You can even interact with Uzu's "virtual" fingers by touching the screen while in auto-play mode. Up to 4 fingers can be used to interact with auto-play mode - at 5 fingers, auto-play mode is deactivated.

*To Enable Auto-Play: Give Uzu a quick front-to-back shake.

*To Disable Auto-Play: Touch the screen with 5 fingers.

*To Switch Auto-Play Modes: Shake Uzu again while auto-play is enabled.

During auto-play, animation modes will randomly switch and change. If you interact with auto-play mode by touching the screen, the current animation mode will stay locked until you release. In effect, the random switching of modes during auto-play is temporarily suppressed while touching the screen. If the combination of your touches and Uzu's touches are greater than 10, the animation mode starts again at 1 Touch.

:::: EXTERNAL DISPLAY SUPPORT ::::

You can watch Uzu on an external screen (TV, monitor, projector, etc…). To use an external display, simply plug in the the external display adapter (available for purchase on-line and in stores). Uzu will be shown on the external display, allowing you to use the iPad as a controller. This is great to use at social gatherings in conjunction with the auto-play mode.

*If you like Uzu, make sure to check out Little Uzu for the iPhone/iPod Touch.
http://itunes.apple.com/app/little-uzu/id386764406?mt=8 1.1 09/16/2010 * Fixed memory leak bug.

- Thanks to everyone who downloaded Uzu so far. I'm currently working on auto-play, motion controls, and VGA out support for the next versions. Stay tuned! 1.0.1 07/26/2010 1.0 06/12/2010

version 3.2.1

posted on 2026-05-26

Version History --- VERSION 3.2.1
- Fixed bug where mic input wasn't working correctly on some devices

--- VERSION 3.2
This update includes high frame rates, slow motion, and microphone audio responsiveness. In order to make high frame rates possible I had to rewrite all of the animation modes to support a variable time scale. I was then able to use this variable time scale to respond to audio from the microphone. There is a slider in the options panel that allow you to adjust the microphone sensitivity. Thank you so much to all the people who continue to download and support this app.

- Support for high frame rates. Uzu will now use the maximum frame rate of the device. This means 60fps for iPhone and iPad and 120fps for iPad Pro.
- Introduced "Time Scale" property slider that allows you to adjust the speed of the animations without changing the overall shape. See Uzu in slow mo!
- Renamed "Speed" to "Energy". This was done to help differentiate the two properties for affecting the overall speed.
- Uzu now reacts to audio from the microphone. When this mode is enabled, Uzu maps the mic levels to the "Time Scale" property.
- Added mic button to quick action menu.
- The quick action menu now hides when touching the screen.
- The quick action menu hides after a shorter period when not touching the screen.
- Added a slider in the options panel to adjust microphone sensitivity.
- Fixed a number of UI bugs where text would be the wrong color. 3.2.1 08/07/2020 This update includes high frame rates, slow motion, and microphone audio responsiveness. In order to make high frame rates possible I had to rewrite all of the animation modes to support a variable time scale. I was then able to use this variable time scale to respond to audio from the microphone. There is a slider in the options panel that allow you to adjust the microphone sensitivity. Thank you so much to all the people who continue to download and support this app.

- Support for high frame rates. Uzu will now use the maximum frame rate of the device. This means 60fps for iPhone and iPad and 120fps for iPad Pro.
- Introduced "Time Scale" property slider that allows you to adjust the speed of the animations without changing the overall shape. See Uzu in slow mo!
- Renamed "Speed" to "Energy". This was done to help differentiate the two properties for affecting the overall speed.
- Uzu now reacts to audio from the microphone. When this mode is enabled, Uzu maps the mic levels to the "Time Scale" property.
- Added mic button to quick action menu.
- The quick action menu now hides when touching the screen.
- The quick action menu hides after a shorter period when not touching the screen.
- Added a slider in the options panel to adjust microphone sensitivity.
- Fixed a number of UI bugs where text would be the wrong color. 3.2 08/04/2020 - fixed bug where saving a screenshot would sometimes crash the device
- fixed bug where label for fast preset switching was the wrong color 3.1.4 06/01/2020 - Fixed UI bug where the menu wasn't appearing on some iPads.
- Added UI support for iPhone X screens. 3.1.3 02/19/2019 Version 3.1.2
- Improved intro message: text is more clear and easier to dismiss.

Version 3.1.1
- Fixed bug where the app would crash when dismissing the keyboard

Version 3.1
- 64 bit support
- 15 new factory presets
- Redesigned user interface
- Improved autoplay animation
- New app icon
- On-screen access to quick actions: menu, next preset, previous preset, freeze mode, autoplay, screenshot
- Screenshot sharing to social media

Many thanks to all the fans who asked for the new update. And an even bigger thank you to Olga and Scarlett for their patience while I worked on this during evenings and weekends. I hope you all enjoy! 3.1.2 06/29/2017 Version 3.1.1
- Fixed bug where the app would crash when dismissing the keyboard

Version 3.1
- 64 bit support
- 15 new factory presets
- Redesigned user interface
- Improved autoplay animation
- New app icon
- On-screen access to quick actions: menu, next preset, previous preset, freeze mode, autoplay, screenshot
- Screenshot sharing to social media

Many thanks to all the fans who asked for the new update. And an even bigger thank you to Olga and Scarlett for their patience while I worked on this during evenings and weekends. I hope you all enjoy! 3.1.1 06/28/2017 - 64 bit support
- 15 new factory presets
- Redesigned user interface
- Improved autoplay animation
- New app icon
- On-screen access to quick actions: menu, next preset, previous preset, freeze mode, autoplay, screenshot
- Screenshot sharing to social media

Many thanks to all the fans who asked for the new update. And an even bigger thank you to Olga and Scarlett for their patience while I worked on this during evenings and weekends. I hope you all enjoy! 3.1 06/24/2017 - Fixed crashing bug in iOS 8 3.0.1 12/06/2014 * Uzu is now a universal app for iPad, iPhone, and iPod Touch
* Retina support for all devices
* Completely redesigned UI
* 7 brand new animation modes (bringing the total to 21)
* 25 brand new factory presets (now a total of 42)
* 2 new symmetry modes: reflective and translational
* New color engine allows for selecting specific colors
* Support for background colors and gradients
* Randomization buttons for global and individual panel settings
* New settings: Hue Swirl, Saturation Offset, Brightness Offset 3.0 07/08/2014 Uzu 2.0 brings a number of new and exciting features to Uzu! This update is a big thank you to all the Uzu fans out there. Uzu wouldn't be where it is today without all the people who've loved it and showed it off to someone else. If you enjoy the update, please take a moment to rate Uzu or leave a review, these things help tremendously.

**** NEW FEATURES ****

* Rotational Symmetry (up to 50 axis)
* The ability to "Rewire" animation modes to a different touch count
* 3 New Animation Modes
* Save User Presets
* 18 Factory Presets
* Quick Preset List
* User Options
* Screenshot Button
* Alpha Transparency
* Particle Size and Hue Offset sliders added 2.0 04/25/2011 * bug fixes
* fixed performance issue with iOS 4.2 (beta)

*** NEW IN VERSION 1.2 ***

* Huge performance optimizations
* 3x more particles
* Adjustable settings via new in-app menu * Freeze mode for easily taking screen shots
* Motion trails for all new artistic effects
* Adjust red, green, and blue color offsets
* Line drag rendering option
* In-app menu help
* Optimized auto-rotation behavior
* Smoother interface animations
* Settings are saved on app exit
* Updated instructions 1.2.1 10/29/2010 * Huge performance optimizations
* 3x more particles
* Adjustable settings via new in-app menu
* Freeze mode for easily taking screen shots
* Motion trails for all new artistic effects
* Adjust red, green, and blue color offsets
* Line drag rendering option
* In-app menu help
* Optimized auto-rotation behavior
* Smoother interface animations
* Settings are saved on app exit
* Updated instructions 1.2 10/25/2010 *Bug fixes for reported crashing of version 1.1

*You may need to restart your iPad after updating (by holding down the lock button) in order to stop the launch crashes.

New in version 1.1:
*Added auto-play mode
*Added external display support (VGA Out)
*Added instructions page

:::: AUTO-PLAY CONTROL ::::

Auto-play allows you to sit back and enjoy Uzu's animations without needing to touch the screen. Auto-play mode randomly cycles through the different animation modes, simulating the movement of fingers across the screen. You can even interact with Uzu's "virtual" fingers by touching the screen while in auto-play mode. Up to 4 fingers can be used to interact with auto-play mode - at 5 fingers, auto-play mode is deactivated.

*To Enable Auto-Play: Give Uzu a quick front-to-back shake.

*To Disable Auto-Play: Touch the screen with 5 fingers.

*To Switch Auto-Play Modes: Shake Uzu again while auto-play is enabled.

During auto-play, animation modes will randomly switch and change. If you interact with auto-play mode by touching the screen, the current animation mode will stay locked until you release. In effect, the random switching of modes during auto-play is temporarily suppressed while touching the screen. If the combination of your touches and Uzu's touches are greater than 10, the animation mode starts again at 1 Touch.

:::: EXTERNAL DISPLAY SUPPORT ::::

You can watch Uzu on an external screen (TV, monitor, projector, etc…). To use an external display, simply plug in the the external display adapter (available for purchase on-line and in stores). Uzu will be shown on the external display, allowing you to use the iPad as a controller. This is great to use at social gatherings in conjunction with the auto-play mode.

*If you like Uzu, make sure to check out Little Uzu for the iPhone/iPod Touch.
http://itunes.apple.com/app/little-uzu/id386764406?mt=8 1.1.1 09/23/2010 *Added auto-play mode
*Added external display support (VGA Out)
*Added instructions page

**An update has already been submitted to address the reported crashing with version 1.1 Thank you for your patience.

:::: AUTO-PLAY CONTROL ::::

Auto-play allows you to sit back and enjoy Uzu's animations without needing to touch the screen. Auto-play mode randomly cycles through the different animation modes, simulating the movement of fingers across the screen. You can even interact with Uzu's "virtual" fingers by touching the screen while in auto-play mode. Up to 4 fingers can be used to interact with auto-play mode - at 5 fingers, auto-play mode is deactivated.

*To Enable Auto-Play: Give Uzu a quick front-to-back shake.

*To Disable Auto-Play: Touch the screen with 5 fingers.

*To Switch Auto-Play Modes: Shake Uzu again while auto-play is enabled.

During auto-play, animation modes will randomly switch and change. If you interact with auto-play mode by touching the screen, the current animation mode will stay locked until you release. In effect, the random switching of modes during auto-play is temporarily suppressed while touching the screen. If the combination of your touches and Uzu's touches are greater than 10, the animation mode starts again at 1 Touch.

:::: EXTERNAL DISPLAY SUPPORT ::::

You can watch Uzu on an external screen (TV, monitor, projector, etc…). To use an external display, simply plug in the the external display adapter (available for purchase on-line and in stores). Uzu will be shown on the external display, allowing you to use the iPad as a controller. This is great to use at social gatherings in conjunction with the auto-play mode.

*If you like Uzu, make sure to check out Little Uzu for the iPhone/iPod Touch.
http://itunes.apple.com/app/little-uzu/id386764406?mt=8 1.1 09/16/2010 * Fixed memory leak bug.

- Thanks to everyone who downloaded Uzu so far. I'm currently working on auto-play, motion controls, and VGA out support for the next versions. Stay tuned! 1.0.1 07/26/2010 1.0 06/12/2010

version 3.2.1

posted on 2020-08-07

--- VERSION 3.2.1
- Fixed bug where mic input wasn't working correctly on some devices

--- VERSION 3.2
This update includes high frame rates, slow motion, and microphone audio responsiveness. In order to make high frame rates possible I had to rewrite all of the animation modes to support a variable time scale. I was then able to use this variable time scale to respond to audio from the microphone. There is a slider in the options panel that allow you to adjust the microphone sensitivity. Thank you so much to all the people who continue to download and support this app.

- Support for high frame rates. Uzu will now use the maximum frame rate of the device. This means 60fps for iPhone and iPad and 120fps for iPad Pro.
- Introduced "Time Scale" property slider that allows you to adjust the speed of the animations without changing the overall shape. See Uzu in slow mo!
- Renamed "Speed" to "Energy". This was done to help differentiate the two properties for affecting the overall speed.
- Uzu now reacts to audio from the microphone. When this mode is enabled, Uzu maps the mic levels to the "Time Scale" property.
- Added mic button to quick action menu.
- The quick action menu now hides when touching the screen.
- The quick action menu hides after a shorter period when not touching the screen.
- Added a slider in the options panel to adjust microphone sensitivity.
- Fixed a number of UI bugs where text would be the wrong color.

version 3.2.1

posted on 2020-08-07

Aug 7, 2020
Version 3.2.1
--- VERSION 3.2.1
- Fixed bug where mic input wasn't working correctly on some devices

--- VERSION 3.2
This update includes high frame rates, slow motion, and microphone audio responsiveness. In order to make high frame rates possible I had to rewrite all of the animation modes to support a variable time scale. I was then able to use this variable time scale to respond to audio from the microphone. There is a slider in the options panel that allow you to adjust the microphone sensitivity. Thank you so much to all the people who continue to download and support this app.

- Support for high frame rates. Uzu will now use the maximum frame rate of the device. This means 60fps for iPhone and iPad and 120fps for iPad Pro.
- Introduced "Time Scale" property slider that allows you to adjust the speed of the animations without changing the overall shape. See Uzu in slow mo!
- Renamed "Speed" to "Energy". This was done to help differentiate the two properties for affecting the overall speed.
- Uzu now reacts to audio from the microphone. When this mode is enabled, Uzu maps the mic levels to the "Time Scale" property.
- Added mic button to quick action menu.
- The quick action menu now hides when touching the screen.
- The quick action menu hides after a shorter period when not touching the screen.
- Added a slider in the options panel to adjust microphone sensitivity.
- Fixed a number of UI bugs where text would be the wrong color.

version 3.0.1

posted on 2010-06-12

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Official App Store Link


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Downloads: 0
Updated At: 2026-10-18
Publisher: Jason K Smith
Operating System: iOS
License Type: Paid

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