# Uzu, An Interactive Light Show vs Euler VS

The clearest difference is price: Euler VS at Free against Uzu, An Interactive Light Show's $3.99. Euler VS also leads on rating (5.0 vs 4.8) and review sentiment (100% vs 91%). Uzu, An Interactive Light Show's advantage is in-app purchases (none vs 2) and update cadence (every 2 months vs every 8 months). On ads there is nothing between them.

Euler VS is free to download; Uzu, An Interactive Light Show costs $3.99 up front. Euler VS sells 2 one-off in-app purchases. Uzu, An Interactive Light Show asks for nothing beyond the download.

Euler VS holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Uzu, An Interactive Light Show has 261 ratings behind it against 5, 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 100% of Euler VS's.

Uzu, An Interactive Light Show ships an update every 2 months, Euler VS every 8 months. The most recent releases landed on September 24, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Uzu, An Interactive Light Show | Euler VS |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [4.8 (261 ratings)](https://appshunter.io/ios/app/uzu-an-interactive-light-show/id376551723/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/euler-vs/id6495234606/reviews)** |
| Number of ratings | **261** | 5 |
| Positive reviews | 91.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#42** | — |
| Size | 16 MB | 12 MB |
| Requires iOS | 17.6 | **15.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Colordodge Labs](https://appshunter.io/developer/376551726) | [AllOneWord Software LLC](https://appshunter.io/developer/1740646658) |

## What reviewers say

### Uzu, An Interactive Light Show

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

**Currently charting:** #42 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


### Euler VS

[App page](https://appshunter.io/ios/app/euler-vs/id6495234606)

Explore a dynamic world of geometric art and visual synthesis with interactive touch controls. Design and play with harmonic motion and color systems, with options to expand your library through in-app purchases. Sync your creations from macOS for a seamless experience.

**Highlights:** Interactive geometric art, Harmonic motion exploration, Touch-driven visual synthesis, 24 professional presets, In-app preset packs, Tap Tempo feature, iCloud sync with macOS

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Townsend '94 Bank | $0.99 | one-time |
| King St. Garage | $0.99 | 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 Euler VS free?

Euler VS is free to download, with in-app purchases available.

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

Euler VS is rated higher. Uzu, An Interactive Light Show averages 4.8 out of 5 from 261 ratings, while Euler VS averages 5.0 from 5 ratings.

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

Neither Uzu, An Interactive Light Show nor Euler VS shows ads.

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

Uzu, An Interactive Light Show ships an update every 2 months, and Euler VS every 8 months. Most recently, Uzu, An Interactive Light Show was updated on September 24, 2026 and Euler VS on June 11, 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.*