# Rapida Rhythm vs DOZUM

The clearest difference is in-app purchases: DOZUM at none against Rapida Rhythm's 3. DOZUM also leads on update cadence (daily vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Rapida Rhythm sells 3 one-off in-app purchases. DOZUM asks for nothing beyond the download.

Rapida Rhythm ships an update every 2 months, DOZUM daily. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Rapida Rhythm | DOZUM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Size | 58 MB | 33 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Ahmet Kabatas](https://appshunter.io/developer/1836276047) | [Omerul Faruk Aydin](https://appshunter.io/developer/6790992632) |

## What reviewers say

### Rapida Rhythm

[App page](https://appshunter.io/ios/app/rapida-rhythm/id6751716376)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-month ECG analysis package | $3.99 | one-time |
| 4-month ECG analysis package | $12.99 | one-time |
| 6-month ECG analysis package | $34.99 | one-time |


### DOZUM

[App page](https://appshunter.io/ios/app/dozum/id6814241769)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rapida Rhythm free?

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

### Is DOZUM free?

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

### Do Rapida Rhythm or DOZUM have ads?

Neither Rapida Rhythm nor DOZUM shows ads.

### Which is updated more often, Rapida Rhythm or DOZUM?

Rapida Rhythm ships an update every 2 months, and DOZUM daily. Most recently, Rapida Rhythm was updated on October 28, 2026 and DOZUM on October 24, 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.*