Uzu, An Interactive Light Show

Uzu, An Interactive Light Show

by Jason K Smith

259 ratings
254 reviews
$3.99

Details

  • Released
  • Updated
  • June 12, 2010
  • July 2, 2026

Features

Uzu, An Interactive Light Show video #1 for iPhone
Uzu, An Interactive Light Show screenshot #2 for iPhone
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Uzu, An Interactive Light Show screenshot #4 for iPhone
Uzu, An Interactive Light Show screenshot #5 for iPhone
Uzu, An Interactive Light Show screenshot #6 for iPhone
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About

Explore a generative design playground that combines math, physics, and art. Create dynamic light shows with interactive particle systems, customizable animations, and drawing modes. Experience endless possibilities for visual creation and interaction.

Generative particle system
Real-time animation modes
Interactive 3D manipulation
Drawing mode
Microphone input response
Customizable presets
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What users say

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What's New in Uzu, An Interactive Light Show

4.2

July 2, 2026

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

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User reviews

Incredible

Beautiful, mesmerizing, intuitive. One of my favourite apps.

Code Beauty

This app is mesmerizing and goes to show how magical coding is

Fun fun fun

Pretty pictures that are fun to draw. Top that!

Brilliant!!

Use whilst high :))

Best distraction for toddlers

My son loved playing with this at the doctor’s office. An iPad is the better screen for this. It is quiet and engaging

Developer apps

User experience

🐞

Reported Bugs

3 issues

Crashes on iOS 4.2 and newer

Bug

Menu controls not working on iPad Pro

Bug

Screenshot feature not functioning properly

Bug

Requested Features

5 requests

Add music/sound reactive features

Feature

Implement full-screen mode without UI

Feature

Introduce more advanced preset options

Feature

Add ability to save and share custom presets

Feature

Optimize performance for latest iPad models

Feature

FAQ

What is Uzu?

Uzu is a generative design playground that functions as a math-physics-art toy. It allows users to create dynamic light shows with interactive particle systems, twirling colors, and motion. You can manipulate the visuals in 3D space and explore thousands of combinations through various animation modes.

What are the key features of Uzu?

Key features include a fully dynamic generative particle system, 21 unique animation modes, interactive 3D manipulation, a drawing mode, and animations that respond to microphone input. Users can also customize all features, save presets, and re-wire animation modes.

How much does Uzu cost?

Based on the provided information, Uzu is a paid application. There are no mentions of in-app purchases or advertisements, indicating a one-time purchase model.

What devices is Uzu compatible with?

The description frequently mentions iPad and iPhone, suggesting compatibility with Apple's iOS devices. It is highlighted as an app for digital natives and has received accolades from Apple's App Store.

What are some common use cases for Uzu?

Uzu can be used for creating incredible background images for your iPhone or iPad, exploring artistic and mathematical concepts through interactive visuals, and for general creative expression. It's described as a toy for anyone who enjoys spirographs, fireworks, or other visually dynamic phenomena.