# HearTomo vs CalmiRhythm

The clearest difference is price: HearTomo at Free against CalmiRhythm's $1.99. HearTomo also leads on update cadence (every 9 days vs every 7 months). CalmiRhythm's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On ads there is nothing between them.

HearTomo is free to download; CalmiRhythm costs $1.99 up front. HearTomo sells 1 in-app purchase, starting at $49.99 per year. CalmiRhythm asks for nothing beyond the download.

HearTomo ships an update every 9 days, CalmiRhythm every 7 months. Both last shipped on November 8, 2026.

## The numbers

| Metric | HearTomo | CalmiRhythm |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 7 months |
| Size | 29 MB | 51 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [ROBO-HI Corporation](https://appshunter.io/developer/910461381) | [minoru edo](https://appshunter.io/developer/1568651462) |

## 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 |


### CalmiRhythm

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

**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 CalmiRhythm free?

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

### Do HearTomo or CalmiRhythm have ads?

Neither HearTomo nor CalmiRhythm shows ads.

### Which is updated more often, HearTomo or CalmiRhythm?

HearTomo ships an update every 9 days, and CalmiRhythm every 7 months. Most recently, HearTomo was updated on November 8, 2026 and CalmiRhythm on November 8, 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.*