# Uzu, An Interactive Light Show vs Particle Simulation

The clearest difference is review sentiment: Uzu, An Interactive Light Show at 91% against Particle Simulation's 25%. Uzu, An Interactive Light Show also leads on in-app purchases (none vs 4) and update cadence (every 2 months vs every 7 months). Particle Simulation's advantage is price (Free vs $3.99) and iOS requirement (12.0 vs 17.6). On ads and device support there is nothing between them.

Particle Simulation is free to download; Uzu, An Interactive Light Show costs $3.99 up front. Particle Simulation sells 4 in-app purchases, starting at $3.99 per 7 days. Uzu, An Interactive Light Show asks for nothing beyond the download.

Uzu, An Interactive Light Show holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Uzu, An Interactive Light Show has 261 ratings behind it against 46, so its average is the more settled of the two. Written reviews point the same way: 91% of Uzu, An Interactive Light Show's written reviews are positive against 25% of Particle Simulation's.

Uzu, An Interactive Light Show ships an update every 2 months, Particle Simulation every 7 months. The most recent releases landed on October 19, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Uzu, An Interactive Light Show | Particle Simulation |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.8 (261 ratings)](https://appshunter.io/ios/app/uzu-an-interactive-light-show/id376551723/reviews)** | [4.5 (46 ratings)](https://appshunter.io/ios/app/particle-simulation-flow-sim/id6467405758/reviews) |
| Number of ratings | **261** | 46 |
| Positive reviews | **91.1% of reviews** | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#146** | — |
| Size | 16 MB | 132 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Colordodge Labs](https://appshunter.io/developer/376551726) | [Marvin Krueger](https://appshunter.io/developer/1152894281) |

## What reviewers say

### Uzu, An Interactive Light Show

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

**Currently charting:** #146 Top Paid · Entertainment (US App Store)

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


### Particle Simulation

[App page](https://appshunter.io/ios/app/particle-simulation-flow-sim/id6467405758)

Explore a world of creativity and find tranquility with mesmerizing particle simulations. Interact with dynamic particles, customize their behavior, and create beautiful art impressions while listening to meditative music. It's a calming and creative outlet for stress reduction and self-expression.

**Highlights:** Dynamic particle simulation, Meditative music, Customizable parameters, Autopilot mode, Gyrosensor and haptic feedback, Capture and share creations, Save and load presets

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Particles PRO | $3.99 | per 7 days |
| Psychedelic magic \| monthly | $3.99 | per month |
| Particles PRO | $17.99 | per year |
| Psychedelic magic | $19.99 | one-time |


## Frequently asked questions

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

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

### Is Particle Simulation free?

Particle Simulation is free to download, with in-app purchases available.

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

Uzu, An Interactive Light Show is rated higher. Uzu, An Interactive Light Show averages 4.8 out of 5 from 261 ratings, while Particle Simulation averages 4.5 from 46 ratings.

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

Neither Uzu, An Interactive Light Show nor Particle Simulation shows ads.

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

Uzu, An Interactive Light Show ships an update every 2 months, and Particle Simulation every 7 months. Most recently, Uzu, An Interactive Light Show was updated on October 19, 2026 and Particle Simulation on October 8, 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.*