# Atomus vs Random Word Device

The clearest difference is ads: Random Word Device at none against Atomus's shown. Random Word Device also leads on update cadence (every 9 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Atomus ships an update every 2 months, Random Word Device every 9 days. The most recent releases landed on September 21, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Atomus | Random Word Device |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (524 ratings)](https://appshunter.io/ios/app/atomus/id1605327908/reviews)** | — |
| Number of ratings | **524** | — |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 91 MB | 35 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SungLab Inc](https://appshunter.io/developer/1691666995) | [Jeffrey Leary](https://appshunter.io/developer/1522410604) |

## What reviewers say

### 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


### Random Word Device

[App page](https://appshunter.io/ios/app/random-word-device/id6762091662)

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

**In-app purchases:** none


## Frequently asked questions

### Is Atomus free?

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

### Is Random Word Device free?

Random Word Device is free to download, with no in-app purchases.

### Do Atomus or Random Word Device have ads?

Atomus shows ads; Random Word Device does not.

### Which is updated more often, Atomus or Random Word Device?

Atomus ships an update every 2 months, and Random Word Device every 9 days. Most recently, Atomus was updated on September 21, 2026 and Random Word Device on September 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.*