# Ritmonia vs MetaFox Flatten

The clearest difference is in-app purchases: MetaFox Flatten at none against Ritmonia's 2. MetaFox Flatten also leads on update cadence (every 3 weeks vs every 29 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Ritmonia sells 2 in-app purchases, starting at $8.99 per month. MetaFox Flatten asks for nothing beyond the download.

Ritmonia ships an update every 29 months, MetaFox Flatten every 3 weeks. The most recent releases landed on October 27, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Ritmonia | MetaFox Flatten |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 3 weeks** |
| Size | 7 MB | 189 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 9+ | 9+ |
| Developer | [Telematica Internacional Audiovisual S.A.](https://appshunter.io/developer/1586928143) | [PHPFOX LLC](https://appshunter.io/developer/1435286537) |

## What reviewers say

### Ritmonia

[App page](https://appshunter.io/ios/app/ritmonia/id1586928141)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ritmonia Pro | $8.99 | per month |
| Commercial rhythm | $28.99 | per month |


### MetaFox Flatten

[App page](https://appshunter.io/ios/app/metafox-flatten/id6478136620)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Ritmonia free?

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

### Is MetaFox Flatten free?

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

### Do Ritmonia or MetaFox Flatten have ads?

Neither Ritmonia nor MetaFox Flatten shows ads.

### Which is updated more often, Ritmonia or MetaFox Flatten?

Ritmonia ships an update every 29 months, and MetaFox Flatten every 3 weeks. Most recently, Ritmonia was updated on October 27, 2026 and MetaFox Flatten on October 10, 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.*