# The Calm Button vs Karuma

The clearest difference is update cadence: The Calm Button at daily against Karuma's every 4 days. Karuma's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

The Calm Button ships an update daily, Karuma every 4 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | The Calm Button | Karuma |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 days |
| Size | 74 MB | 29 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ABRDN Co](https://appshunter.io/developer/1871975516) | [BrainArts BV](https://appshunter.io/developer/6799699122) |

## What reviewers say

### The Calm Button

[App page](https://appshunter.io/ios/app/the-calm-button/id6778210154)

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

**In-app purchases:** none


### Karuma

[App page](https://appshunter.io/ios/app/karuma/id6799699120)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The Calm Button free?

The Calm Button is free to download, with no in-app purchases.

### Is Karuma free?

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

### Do The Calm Button or Karuma have ads?

Neither The Calm Button nor Karuma shows ads.

### Which is updated more often, The Calm Button or Karuma?

The Calm Button ships an update daily, and Karuma every 4 days. Most recently, The Calm Button was updated on October 31, 2026 and Karuma on October 31, 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.*