# HearTomo vs 禅タイマー

The clearest difference is in-app purchases: 禅タイマー at none against HearTomo's 1. 禅タイマー also leads on update cadence (every 3 days vs every 9 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HearTomo sells 1 in-app purchase, starting at $49.99 per year. 禅タイマー asks for nothing beyond the download.

HearTomo ships an update every 9 days, 禅タイマー every 3 days. The most recent releases landed on November 4, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | HearTomo | 禅タイマー |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Size | 29 MB | 11 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [ROBO-HI Corporation](https://appshunter.io/developer/910461381) | [Tatsuki Kato](https://appshunter.io/developer/1494538555) |

## What reviewers say

### HearTomo

[App page](https://appshunter.io/ios/app/heartomo/id6642685609)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription | $49.99 | per year |


### 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 HearTomo free?

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

### Is 禅タイマー free?

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

### Do HearTomo or 禅タイマー have ads?

Neither HearTomo nor 禅タイマー shows ads.

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

HearTomo ships an update every 9 days, and 禅タイマー every 3 days. Most recently, HearTomo was updated on November 4, 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.*