# 風車 vs Atomus HD

The clearest difference is price: 風車 at Free against Atomus HD's $3.99. 風車 also leads on iOS requirement (10.0 vs 15.6). Atomus HD's advantage is ads (none vs shown). On update cadence, in-app purchases and device support there is nothing between them.

風車 is free to download; Atomus HD costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 15, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | 風車 | Atomus HD |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | — | **[4.8 (60 ratings)](https://appshunter.io/ios/app/atomus-hd/id741515911/reviews)** |
| Number of ratings | — | **60** |
| Positive reviews | — | 90.7% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | — | Paid |
| Size | 25 MB | 63 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Keietsu Yasuhara](https://appshunter.io/developer/378538320) | [SungLab Inc](https://appshunter.io/developer/1691666995) |

## What reviewers say

### 風車

[App page](https://appshunter.io/ios/app/id378538317)

**Features:** macOS Compatibility

**In-app purchases:** none


### Atomus HD

[App page](https://appshunter.io/ios/app/atomus-hd/id741515911)

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.

**Highlights:** 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

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

**In-app purchases:** none

**What reviewers like**

- ✨ Visually stunning graphics
- 🧘‍♀️ Relaxing and calming experience
- 🎨 Creative and mesmerizing visuals
- 🎶 Beautiful and soothing music
- 🎮 Addictive and engaging gameplay

**What reviewers complain about**

- ⏳ 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

**Reported bugs**

- App crashes with 11 fingers
- Orientation issues on tablets
- Music not working
- Sound stopped working
- App freezes after opening and exiting

**Requested features**

- User manual or explanations
- Ability to customize starting points
- Option to record or save favorite settings
- Ability to take screenshots
- More music tracks/playlists


## Frequently asked questions

### Is 風車 free?

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

### Is Atomus HD free?

Atomus HD costs $3.99, with no in-app purchases.

### Do 風車 or Atomus HD have ads?

風車 shows ads; Atomus HD does not.

### Which is updated more often, 風車 or Atomus HD?

風車 ships an update every 3 months, and Atomus HD every 3 months. Most recently, 風車 was updated on October 15, 2026 and Atomus HD on October 22, 2026.

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