# Dumac vs Rytmio

The clearest difference is update cadence: Rytmio at every 2 days against Dumac's every 9 days. Dumac's advantage is device support (3 vs 1) and iOS requirement (16 vs 18.5). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Dumac sells 2 in-app purchases, starting at $1.99 per month and Rytmio sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Dumac ships an update every 9 days, Rytmio every 2 days. The most recent releases landed on September 20, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Dumac | Rytmio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 2 days** |
| Size | 2 MB | 4 MB |
| Requires iOS | **16** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Awal Salifu](https://appshunter.io/developer/1869570519) | [Kamil Wowra QA Engineer](https://appshunter.io/developer/1831963246) |

## What reviewers say

### Dumac

[App page](https://appshunter.io/ios/app/dumac-video-analysis/id6741686780)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Yearly Subscription | $7.99 | per year |


### Rytmio

[App page](https://appshunter.io/ios/app/rytmio-interval-timer/id6753631850)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rytmio Premium | $1.99 | per month |


## Frequently asked questions

### Is Dumac free?

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

### Is Rytmio free?

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

### Do Dumac or Rytmio have ads?

Neither Dumac nor Rytmio shows ads.

### Which is updated more often, Dumac or Rytmio?

Dumac ships an update every 9 days, and Rytmio every 2 days. Most recently, Dumac was updated on September 20, 2026 and Rytmio on October 30, 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.*