Cyclotron vs Atomus HD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cyclotron
Interact with a dynamic particle system by touching the screen. Use multiple fingers to alter particle behavior for a visually stimulating experience. Ideal for entertainment and keeping children engaged.
- Interactive particle simulation
- Multi-touch particle behavior
- Visually stimulating
- Engaging for kids
- Time-killing entertainment
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Cyclotron is a fun and satisfying particle app. Touch the screen and the particles go wild. Using multiple fingers changes the way the particles behave. Great to mess with when you're bored and have some time to kill, need visual stimulation or want to keep the kids busy.
Atomus HD
Experience a premium kinetic universe of light and motion with dynamic, evolving particle structures. This app offers a richer, more immersive visual experience perfect for creative focus, relaxation, or quiet exploration.
- Evolving light and motion structures
- Richer particle density and flow
- Smooth 60 FPS rendering
- 10-finger multi-touch support
- Adjustable particle settings
- Multiple color modes
- Ad-free experience
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ATOMUS HD — A Premium Kinetic Universe of Light and Motion A deeper, richer, more immersive particle experience. ATOMUS HD is the premium edition of ATOMUS, designed for users who want a more complete visual experience — with richer particle density, smoother movement, and stronger visual immersion. Every touch creates evolving structures of light and motion, forming dynamic patterns that feel alive, hypnotic, and endlessly satisfying. Perfect for creative focus, visual relaxation, quiet moments, or simply watching something extraordinary emerge beneath your fingertips. Premium Dynamic Experience The HD version delivers stronger visual depth and richer particle flow, making every interaction feel more fluid and immersive. Ideal for: • relaxation • creative thinking • sensory focus • visual meditation • quiet exploration Inspired by Living Motion ATOMUS HD creates visual structures inspired by: • fireworks • whirlwinds • auroras • waves • rainbows • atomic forms Every movement generates new patterns that continuously evolve. HD Performance • Richer real-time particle density • 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) Why Choose HD • Completely ad-free • Higher visual richness • Stronger immersion • Premium uninterrupted experience Support If you have ideas, questions, or feedback, I would love to hear from you. sunglab@gmail.com www.sunglab.com
Screenshots
Verdict
The clearest difference is monetization model: Cyclotron at free against Atomus HD's paid. Cyclotron also leads on iOS requirement (8.1 vs 15.6). Atomus HD's advantage is review sentiment (91% vs 63%) and update cadence (every 3 months vs every 16 months). On price, ratings volume, ads and in-app purchases 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
Cyclotron costs $1.99 and Atomus HD $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Atomus HD holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 153 and 60 respectively. Written reviews point the same way: 63% of Cyclotron's written reviews are positive against 91% of Atomus HD's.
Cyclotron ships an update every 16 months, Atomus HD every 3 months. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.
| Parameter | Cyclotron | Atomus HD |
|---|---|---|
| Price | $1.99 | $1.99 |
| Rating | 4.6 (153 ratings) | 4.8 (60 ratings) — better |
| Positive reviews | 63.2% of reviews | 90.7% of reviews — better |
| Number of ratings | 153 — better | 60 |
| Update frequency | Every 16 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.1 — better | 15.6 |
| Further details — not scored | ||
| Size | 6 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | PDJ Apps | SungLab Inc |
Customer experience
Cyclotron
Atomus HD
User reviews
Cyclotron
From 153 App Store ratingsWhat we love
- 🌟 Mesmerizing visuals
- 👍 Simple and intuitive
- 💡 Unique multitouch interactions
- 🎨 Vibrant color palette
- 🎨 Customizable background
Room to improve
- 🐛 Occasional crashes or freezes
- 🔍 Limited functionality
- 🕰️ Gets boring after a while
- 🤢 Can cause motion sickness
- 💰 Not worth the price for some
Atomus HD
From 60 App Store ratingsWhat we love
- ✨ Visually stunning graphics
- 🧘♀️ Relaxing and calming experience
- 🎨 Creative and mesmerizing visuals
- 🎶 Beautiful and soothing music
- 🎮 Addictive and engaging gameplay
Room to improve
- ⏳ Can become boring after a while
- ❓ Lack of user manual/explanations
- 🎶 Music can be repetitive
- 💸 Some users feel it's a waste of money
- 🎛️ Limited customization options
Bugs and requests
Cyclotron
Reported bugs
3 issues- Compatibility issues on older devices
- Inconsistent performance after updates
- Delayed or unresponsive touch inputs
Requested features
5 requests- More customization options
- Additional visual modes or effects
- Screenshot/photo capture capability
- Ability to change movement speed
- Integration with music playback
Atomus HD
Reported bugs
8 issues- App crashes with 11 fingers
- Orientation issues on tablets
- Music not working
- Sound stopped working
- App freezes after opening and exiting
Show 3 moreShow fewer
- App crashes with more than 9 fingers
- App crashes with more than 10 fingers
- App crashes with multiple fingers
Requested features
10 requests- User manual or explanations
- Ability to customize starting points
- Option to record or save favorite settings
- Ability to take screenshots
- More music tracks/playlists
Show 5 moreShow fewer
- Ability to play animation via Apple TV
- Add more themes
- Implement speed control
- Option to capture images or short videos
- Add more colors and particle formation modes
In-app purchases
Cyclotron
No in-app purchases
Atomus HD
No in-app purchases
Questions
Is Cyclotron free?
Is Atomus HD free?
Which has better reviews, Cyclotron or Atomus HD?
Do Cyclotron or Atomus HD have ads?
Which is updated more often, Cyclotron or Atomus HD?
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