# CalmiRhythm vs 禅タイマー

The clearest difference is price: 禅タイマー at Free against CalmiRhythm's $1.99. 禅タイマー also leads on update cadence (every 3 days vs every 7 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

禅タイマー is free to download; CalmiRhythm costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CalmiRhythm ships an update every 7 months, 禅タイマー every 3 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CalmiRhythm | 禅タイマー |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 days** |
| Size | 51 MB | 11 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [minoru edo](https://appshunter.io/developer/1568651462) | [Tatsuki Kato](https://appshunter.io/developer/1494538555) |

## What reviewers say

### CalmiRhythm

[App page](https://appshunter.io/ios/app/calmirhythm/id6752016985)

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

**In-app purchases:** none


### 禅タイマー

[App page](https://appshunter.io/ios/app/zen-breath-timer/id6755300927)

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

**In-app purchases:** none


## Frequently asked questions

### Is CalmiRhythm free?

CalmiRhythm costs $1.99, with no in-app purchases.

### Is 禅タイマー free?

禅タイマー is free to download, with no in-app purchases.

### Do CalmiRhythm or 禅タイマー have ads?

Neither CalmiRhythm nor 禅タイマー shows ads.

### Which is updated more often, CalmiRhythm or 禅タイマー?

CalmiRhythm ships an update every 7 months, and 禅タイマー every 3 days. Most recently, CalmiRhythm was updated on October 24, 2026 and 禅タイマー on October 25, 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.*