Atomus vs Perfect Circle!
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Atomus
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.
- 10-Finger Multi-touch Display
- 5 Music Choices
- Fastest Speed (60 FPS)
- 12,000 Particles
- Customizable Particle Length, Number, & Size
- 3-Color Modes
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ATOMUS — A Living Kinetic Universe in Your Hands Touch energy. Shape motion. Watch light come alive. ATOMUS transforms your screen into a living kinetic universe where thousands of particles react instantly to every movement, creating flowing structures, cosmic patterns, and mesmerizing visual motion that feels both dynamic and calming. Designed for moments when you want to reset your mind, explore visual creativity, or simply watch something beautiful evolve under your fingertips, ATOMUS offers a unique sensory experience between digital art and meditation. Every touch creates shifting forms that can feel like fireworks, auroras, galaxies, waves, atomic structures, or living energy — always moving, always changing. Why users love ATOMUS • Deeply immersive touch interaction • Hypnotic moving particle structures • Ideal for creative focus and visual relaxation • A satisfying sensory experience that never feels the same twice • Beautiful for both quiet moments and playful exploration A Dynamic Visual Experience ATOMUS is inspired by: • fireworks • whirlwinds • fireflies • auroras • rainbows • waves • atomic forms Each interaction creates evolving structures that feel alive and endlessly surprising. Real-Time Performance • Up to 12,000 particles in real time • Smooth 60 FPS rendering • 10-finger multi-touch support • Adjustable particle size, quantity, and trail length • 3 color modes: Neon, Crystal, Nature • Built-in music by Aden Ray (optional) Free Version Enjoy ATOMUS for free. Upgrade to HD for: • 2× more particles • Ad-free experience • Richer visual density Support If you have ideas, questions, or feedback, I would love to hear from you. sunglab@gmail.com http://www.sunglab.com
Perfect Circle!
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.
- Draw perfect circles
- Score up to 1000 points
- Global leaderboard competition
- Simple touch controls
- High replayability
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Draw a perfect circle with your hands. You can reach up to 1000 points. Compete with people around the world on leaderboard!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Atomus | Perfect Circle! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (525 ratings) — better | 4.1 (14 ratings) |
| Positive reviews | 89.5% of reviews — better | 50.0% of reviews |
| Number of ratings | 525 — better | 14 |
| Update frequency | Every 2 months — better | Every 6 months |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 92 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | SungLab Inc | Goro Sato |
Customer experience
Atomus
Perfect Circle!
Bugs and requests
Atomus
Reported bugs
2 issues- Crashes when using more than 10 fingers
- Inconsistent ad frequency
Requested features
3 requests- More color and particle effect options
- Ability to turn off sound/music
- Haptic feedback support
Perfect Circle!
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Atomus
No in-app purchases
Perfect Circle!
- Remove Ads$1.99
Questions
Is Atomus free?
Is Perfect Circle! free?
Which has better reviews, Atomus or Perfect Circle!?
Do Atomus or Perfect Circle! have ads?
Which is updated more often, Atomus or Perfect Circle!?
Other comparisons
