# Rhythm vs 禁欲カウンター｜Zen Reboot

The clearest difference is price: 禁欲カウンター｜Zen Reboot at Free against Rhythm's $0.99. 禁欲カウンター｜Zen Reboot also leads on update cadence (every 6 days vs every 20 months). Rhythm's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

禁欲カウンター｜Zen Reboot is free to download; Rhythm costs $0.99 up front. 禁欲カウンター｜Zen Reboot sells 2 in-app purchases, starting at $2.99 per month. Rhythm asks for nothing beyond the download.

Rhythm ships an update every 20 months, 禁欲カウンター｜Zen Reboot every 6 days. The most recent releases landed on September 29, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Rhythm | 禁欲カウンター｜Zen Reboot |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | **Every 6 days** |
| Size | 2 MB | 50 MB |
| Requires iOS | **13.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Masanori Katsuta](https://appshunter.io/developer/320172788) | [Masaru Yamagata](https://appshunter.io/developer/6772058361) |

## What reviewers say

### Rhythm

[App page](https://appshunter.io/ios/app/rhythm-runner/id1638048035)

**Features:** macOS Compatibility

**In-app purchases:** none


### 禁欲カウンター｜Zen Reboot

[App page](https://appshunter.io/ios/app/zen-reboot/id6772058359)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $2.99 | per month |
| 年額プレミアムプラン | $29.99 | per year |


## Frequently asked questions

### Is Rhythm free?

Rhythm costs $0.99, with no in-app purchases.

### Is 禁欲カウンター｜Zen Reboot free?

禁欲カウンター｜Zen Reboot is free to download, with in-app purchases available.

### Do Rhythm or 禁欲カウンター｜Zen Reboot have ads?

禁欲カウンター｜Zen Reboot shows ads; Rhythm does not.

### Which is updated more often, Rhythm or 禁欲カウンター｜Zen Reboot?

Rhythm ships an update every 20 months, and 禁欲カウンター｜Zen Reboot every 6 days. Most recently, Rhythm was updated on September 29, 2026 and 禁欲カウンター｜Zen Reboot on October 13, 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.*