# Uzu, An Interactive Light Show vs Flasia

The clearest difference is price: Flasia at Free against Uzu, An Interactive Light Show's $3.99. Flasia also leads on iOS requirement (15.6 vs 17.6). Uzu, An Interactive Light Show's advantage is ads (none vs shown) and review sentiment (91% vs 76%). On ratings volume, in-app purchases and device support there is nothing between them.

Flasia is free to download; Uzu, An Interactive Light Show costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Uzu, An Interactive Light Show holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 266 and 146 respectively. Written reviews point the same way: 91% of Uzu, An Interactive Light Show's written reviews are positive against 76% of Flasia's.

Uzu, An Interactive Light Show ships an update every 2 months, Flasia every 3 months. The most recent releases landed on November 10, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Uzu, An Interactive Light Show | Flasia |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.8 (266 ratings)](https://appshunter.io/ios/app/uzu-an-interactive-light-show/id376551723/reviews)** | [4.6 (146 ratings)](https://appshunter.io/ios/app/flasia/id1076407250/reviews) |
| Number of ratings | **266** | 146 |
| Positive reviews | **91.1% of reviews** | 76.5% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Paid | **Ad-supported** |
| Size | 16 MB | 89 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Colordodge Labs](https://appshunter.io/developer/376551726) | [SungLab Inc](https://appshunter.io/developer/1691666995) |

## What reviewers say

### Uzu, An Interactive Light Show

[App page](https://appshunter.io/ios/app/uzu-an-interactive-light-show/id376551723)

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.

**Highlights:** Generative particle system, Real-time animation modes, Interactive 3D manipulation, Drawing mode, Microphone input response, Customizable presets

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Mesmerizing visuals
- 🎨 Endless creative possibilities
- 💡 Great for relaxation and meditation
- 🎨 Impressive color and pattern generation
- 👍 Fun and engaging for all ages

**What reviewers complain about**

- 🐛 Crashes and stability issues on some devices
- 🔧 Limited customization options
- 🔧 Lack of music/sound integration
- 🔧 Outdated UI on newer iPads

**Reported bugs**

- Crashes on iOS 4.2 and newer
- Menu controls not working on iPad Pro
- Screenshot feature not functioning properly

**Requested features**

- Add music/sound reactive features
- Implement full-screen mode without UI
- Introduce more advanced preset options
- Add ability to save and share custom presets
- Optimize performance for latest iPad models


### Flasia

[App page](https://appshunter.io/ios/app/flasia/id1076407250)

This app offers a visually stunning and interactive experience with dynamic, artistic displays. It's designed to inspire creativity, provide a change of pace, or serve as unique entertainment and decor.

**Highlights:** 5-Finger Multi-touch Display, Customizable particle effects, Gesture Control and Multi-Touch Drawing modes, Fluid effects with high FPS, Optional music integration

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✨ Visually stunning and beautiful
- 😌 Calming and relaxing experience
- 🎶 Pleasant and soothing music
- 💖 Supports developer's hard work
- 🤩 Unique and mesmerizing visuals

**What reviewers complain about**

- 😠 Frequent and intrusive ads
- 🐛 App becomes messed up after ads
- 🔄 Recent update changed the feel
- 📱 Lacks portrait mode support
- 🚫 No response from support

**Reported bugs**

- App appears on 75% of iPad screen after ads
- Music not playing on iPad Mini & iPhone 8
- Music turned off after second use
- App not supporting portrait mode

**Requested features**

- Option to revert to old design
- Add a record button
- Tutorial for maneuvers
- Support for iPhone X


## Frequently asked questions

### Is Uzu, An Interactive Light Show free?

Uzu, An Interactive Light Show costs $3.99, with no in-app purchases.

### Is Flasia free?

Flasia is free to download, with no in-app purchases.

### Which has better reviews, Uzu, An Interactive Light Show or Flasia?

Uzu, An Interactive Light Show is rated higher. Uzu, An Interactive Light Show averages 4.8 out of 5 from 266 ratings, while Flasia averages 4.6 from 146 ratings.

### Do Uzu, An Interactive Light Show or Flasia have ads?

Flasia shows ads; Uzu, An Interactive Light Show does not.

### Which is updated more often, Uzu, An Interactive Light Show or Flasia?

Uzu, An Interactive Light Show ships an update every 2 months, and Flasia every 3 months. Most recently, Uzu, An Interactive Light Show was updated on November 10, 2026 and Flasia on November 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*