# KiraFlow vs Atomus

The clearest difference is in-app purchases: Atomus at none against KiraFlow's 14. Atomus also leads on rating (4.8 vs 4.6) and review sentiment (89% vs 78%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. KiraFlow sells 14 one-off in-app purchases. Atomus asks for nothing beyond the download.

Atomus holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 326 and 529 respectively. Written reviews point the same way: 78% of KiraFlow's written reviews are positive against 89% of Atomus's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | KiraFlow | Atomus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (326 ratings)](https://appshunter.io/ios/app/kiraflow-flowing-glitter/id1525172102/reviews) | **[4.8 (529 ratings)](https://appshunter.io/ios/app/atomus/id1605327908/reviews)** |
| Number of ratings | 326 | **529** |
| Positive reviews | 78.2% of reviews | **89.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 83 MB | 92 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masataka Hakozaki](https://appshunter.io/developer/323346554) | [SungLab Inc](https://appshunter.io/developer/1691666995) |

## What reviewers say

### KiraFlow

[App page](https://appshunter.io/ios/app/kiraflow-flowing-glitter/id1525172102)

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.

**Highlights:** 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

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

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PACK 001 "TINY" | $0.99 | one-time |
| PACK 003 "LAME" | $0.99 | one-time |
| PACK 004 "GALAXY" | $0.99 | one-time |
| PACK 005 "PHOTON" | $0.99 | one-time |
| PACK 006 "GEM" | $0.99 | one-time |
| PACK 007 "BLOOM" | $0.99 | one-time |
| PACK 010 "DOT" | $0.99 | one-time |
| PACK 011 "NEON" | $0.99 | one-time |
| PACK 015 "RAINBOW" | $0.99 | one-time |
| PACK 017 "STAR II" | $0.99 | one-time |
| PACK 013 "BUBBLE" | $0.99 | one-time |
| PACK 008 "HALF" | $0.99 | one-time |
| ADS REMOVAL | $1.99 | one-time |
| COMPLETE PACK | $6.99 | one-time |

**What reviewers like**

- ✨ Beautiful visuals
- 😌 Relaxing and calming
- 🤩 Mesmerizing and satisfying
- 🎶 Pleasant sounds/ASMR
- 👍 Easy to use

**What reviewers complain about**

- 😩 Too many ads
- 💰 Expensive full version/packs
- 🐌 Slow glitter movement (for some)
- 🚫 Can't save work
- ❌ Laggy performance (for some)

**Reported bugs**

- No sound issue
- App kicks out on startup
- Not received money taken immediately

**Requested features**

- 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


### 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


## Frequently asked questions

### Is KiraFlow free?

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

### Is Atomus free?

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

### Which has better reviews, KiraFlow or Atomus?

Atomus is rated higher. KiraFlow averages 4.6 out of 5 from 326 ratings, while Atomus averages 4.8 from 529 ratings.

### Do KiraFlow or Atomus have ads?

Both KiraFlow and Atomus show ads.

### Which is updated more often, KiraFlow or Atomus?

KiraFlow ships an update every 2 months, and Atomus every 2 months. Most recently, KiraFlow was updated on October 24, 2026 and Atomus on October 30, 2026.

---

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