# Ucumari AR vs Atomus

The clearest difference is ads: Ucumari AR at none against Atomus's shown. Ucumari AR also leads on iOS requirement (12.0 vs 15.6). Atomus's advantage is update cadence (every 2 months vs every 21 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ucumari AR ships an update every 21 months, Atomus every 2 months. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Ucumari AR | Atomus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (525 ratings)](https://appshunter.io/ios/app/atomus/id1605327908/reviews)** |
| Number of ratings | — | **525** |
| Positive reviews | — | 89.5% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 21 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 150 MB | 92 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [XORI E.I.R.L.](https://appshunter.io/developer/1360171276) | [SungLab Inc](https://appshunter.io/developer/1691666995) |

## What reviewers say

### Ucumari AR

[App page](https://appshunter.io/ios/app/ucumari-ar/id1360171277)

**Features:** macOS Compatibility

**In-app purchases:** none


### Atomus

[App page](https://appshunter.io/ios/app/atomus/id1605327908)

This app is an interactive visualizer that creates beautiful, dynamic art inspired by natural phenomena and abstract concepts. It offers customizable particle effects, multi-touch interaction, and music integration, designed to inspire creativity or provide a relaxing visual experience.

**Highlights:** 10-Finger Multi-touch Display, 5 Music Choices, Fastest Speed (60 FPS), 12,000 Particles, Customizable Particle Length, Number, & Size, 3-Color Modes

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

**In-app purchases:** none

**What reviewers like**

- 👍 Relaxing and calming experience
- 🚀 Smooth and responsive
- 💡 Customizable particle effects
- 🔒 No ads or in-app purchases

**What reviewers complain about**

- 🐛 Occasional crashes or performance issues
- 💡 Limited color and customization options
- 🔋 Drains battery life quickly

**Reported bugs**

- Crashes when using more than 10 fingers
- Inconsistent ad frequency

**Requested features**

- More color and particle effect options
- Ability to turn off sound/music
- Haptic feedback support


## Frequently asked questions

### Is Ucumari AR free?

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

### Is Atomus free?

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

### Do Ucumari AR or Atomus have ads?

Atomus shows ads; Ucumari AR does not.

### Which is updated more often, Ucumari AR or Atomus?

Ucumari AR ships an update every 21 months, and Atomus every 2 months. Most recently, Ucumari AR was updated on October 6, 2026 and Atomus on October 16, 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.*