# Atomus vs Particle Simulation

The clearest difference is review sentiment: Atomus at 89% against Particle Simulation's 25%. Atomus also leads on in-app purchases (none vs 4) and rating (4.8 vs 4.5). Particle Simulation's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.6). On price, monetization model and device support there is nothing between them.

Both are free to download. Particle Simulation sells 4 in-app purchases, starting at $3.99 per 7 days. Atomus asks for nothing beyond the download.

Atomus holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Atomus has 525 ratings behind it against 46, so its average is the more settled of the two. Written reviews point the same way: 89% of Atomus's written reviews are positive against 25% of Particle Simulation's.

Atomus ships an update every 2 months, Particle Simulation every 7 months. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Atomus | Particle Simulation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (525 ratings)](https://appshunter.io/ios/app/atomus/id1605327908/reviews)** | [4.5 (46 ratings)](https://appshunter.io/ios/app/particle-simulation-flow-sim/id6467405758/reviews) |
| Number of ratings | **525** | 46 |
| Positive reviews | **89.5% of reviews** | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 92 MB | 132 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SungLab Inc](https://appshunter.io/developer/1691666995) | [Marvin Krueger](https://appshunter.io/developer/1152894281) |

## 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


### 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 Atomus free?

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

### Is Particle Simulation free?

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

### Which has better reviews, Atomus or Particle Simulation?

Atomus is rated higher. Atomus averages 4.8 out of 5 from 525 ratings, while Particle Simulation averages 4.5 from 46 ratings.

### Do Atomus or Particle Simulation have ads?

Atomus shows ads; Particle Simulation does not.

### Which is updated more often, Atomus or Particle Simulation?

Atomus ships an update every 2 months, and Particle Simulation every 7 months. Most recently, Atomus was updated on October 11, 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.*