# Atomus vs Perfect Circle!

The clearest difference is rating: Atomus at 4.8 against Perfect Circle!'s 4.1. Atomus also leads on review sentiment (89% vs 50%) and in-app purchases (none vs 1). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Perfect Circle! sells 1 one-off in-app purchase. Atomus asks for nothing beyond the download.

Atomus holds the better App Store score, 4.8 against 4.1. That said, the two scores are not equally well evidenced: Atomus has 525 ratings behind it against 14, 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 50% of Perfect Circle!'s.

Atomus ships an update every 2 months, Perfect Circle! every 6 months. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Atomus | Perfect Circle! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (525 ratings)](https://appshunter.io/ios/app/atomus/id1605327908/reviews)** | [4.1 (14 ratings)](https://appshunter.io/ios/app/perfect-circle/id1619587610/reviews) |
| Number of ratings | **525** | 14 |
| Positive reviews | **89.5% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 92 MB | 4 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SungLab Inc](https://appshunter.io/developer/1691666995) | [Goro Sato](https://appshunter.io/developer/412448991) |

## 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


### Perfect Circle!

[App page](https://appshunter.io/ios/app/perfect-circle/id1619587610)

Test your precision by drawing perfect circles with your fingers. Aim for the highest score and compete globally on the leaderboard. This simple yet challenging game offers endless replayability.

**Highlights:** Draw perfect circles, Score up to 1000 points, Global leaderboard competition, Simple touch controls, High replayability

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Atomus free?

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

### Is Perfect Circle! free?

Perfect Circle! is free to download, with in-app purchases available.

### Which has better reviews, Atomus or Perfect Circle!?

Atomus is rated higher. Atomus averages 4.8 out of 5 from 525 ratings, while Perfect Circle! averages 4.1 from 14 ratings.

### Do Atomus or Perfect Circle! have ads?

Both Atomus and Perfect Circle! show ads.

### Which is updated more often, Atomus or Perfect Circle!?

Atomus ships an update every 2 months, and Perfect Circle! every 6 months. Most recently, Atomus was updated on October 11, 2026 and Perfect Circle! on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*