Atomus HD vs KiraFlow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Read full descriptionHide full description
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
KiraFlow
Experience a calming and interactive art piece with flowing glitter particles that react to your device's tilt and touch. Enjoy a variety of glitter types and soothing twinkle sound effects to relax and unwind.
- Flowing glitter particles
- Interactive tilt and touch controls
- Various glitter types (stars, gems, etc.)
- Twinkle sound effects
- Calming and sleep aid
- Particle-based fluid simulation
Read full descriptionHide full description
‥∴‥∵ Healing Glitter App ∵‥∴‥ Glitter particles flow smoothly on the screen. Tilt and touch the device to enjoy the mysterious movement of particles like ameba or slime. You'll be healed just by looking. ∴ Various glitters ∴ Stars, galaxies, water bubbles, gems, lame, neon, flowers, sand, dot, etc... (Planned to increase in the future) ∴ Twinkle sound effect ∴ A sparkling sound will be heard as the particles move. Please enjoy it with earphones. ∴ Invite a sleep ∴ Watching the smooth movements will calm your mind. It's also perfect for calming down for a while before going to sleep. ∴ For children who like glitter ∴ This app was created to please my daughter (4 years old) who loves princesses and glitter. The mysterious movement of glitter particles will be of interest to children. ・This app is an interactive art work that uses particle-based fluid simulation. ・No need to contact me to introduce this app on your media. News and support: Twitter (@m_hakozaki)
Screenshots
Verdict
The clearest difference is price: KiraFlow at Free against Atomus HD's $3.99. KiraFlow also leads on ratings volume (328 vs 61). Atomus HD's advantage is in-app purchases (none vs 10) and ads (none vs shown). On update cadence, device support and iOS requirement 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
KiraFlow is free to download; Atomus HD costs $3.99 up front. KiraFlow sells 10 one-off in-app purchases. Atomus HD asks for nothing beyond the download.
Atomus HD holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: KiraFlow has 328 ratings behind it against 61, so its average is the more settled of the two. Written reviews point the same way: 90% of Atomus HD's written reviews are positive against 78% of KiraFlow's.
Atomus HD ships an update every 3 months, KiraFlow every 2 months. Both last shipped on November 11, 2026.
| Parameter | Atomus HD | KiraFlow |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 4.8 (61 ratings) — better | 4.6 (328 ratings) |
| Positive reviews | 90.1% of reviews — better | 78.2% of reviews |
| Number of ratings | 61 | 328 — better |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 63 MB | 83 MB |
| Age rating | 4+ | 4+ |
| Developer | SungLab Inc | Masataka Hakozaki |
Customer experience
Atomus HD
KiraFlow
User reviews
Atomus HD
From 61 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
KiraFlow
From 328 App Store ratingsWhat we love
- ✨ Beautiful visuals
- 😌 Relaxing and calming
- 🤩 Mesmerizing and satisfying
- 🎶 Pleasant sounds/ASMR
- 👍 Easy to use
Room to improve
- 😩 Too many ads
- 💰 Expensive full version/packs
- 🐌 Slow glitter movement (for some)
- 🚫 Can't save work
- ❌ Laggy performance (for some)
Bugs and requests
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
KiraFlow
Reported bugs
3 issues- No sound issue
- App kicks out on startup
- Not received money taken immediately
Requested features
12 requests- Option to adjust glitter speed
- More sound options or sound customization
- Ability to save creations/screenshots
- More free glitter color options
- Option to create custom glitter colors/gradients
Show 7 moreShow fewer
- Different modes or themes (e.g., glitter on a table)
- Option to set as wallpaper/lock screen
- Option to react to music
- Ability to select multiple fluids simultaneously
- More dark backgrounds or background color adjustment
- Option to adjust glitter amount
- Add clock or pomodoro timer functionality
In-app purchases
Atomus HD
No in-app purchases
KiraFlow
- PACK 001 "TINY"$0.99
- PACK 004 "GALAXY"$0.99
- PACK 005 "PHOTON"$0.99
Show 7 moreShow fewer
- PACK 006 "GEM"$0.99
- PACK 007 "BLOOM"$0.99
- PACK 011 "NEON"$0.99
- PACK 015 "RAINBOW"$0.99
- PACK 017 "STAR II"$0.99
- ADS REMOVAL$1.99
- COMPLETE PACK$6.99
Questions
Is Atomus HD free?
Is KiraFlow free?
Which has better reviews, Atomus HD or KiraFlow?
Do Atomus HD or KiraFlow have ads?
Which is updated more often, Atomus HD or KiraFlow?
Other comparisons
