# OnnaFit vs CEM Besòs

The clearest difference is update cadence: CEM Besòs at weekly against OnnaFit's every 3 weeks. OnnaFit's advantage is iOS requirement (11.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

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

OnnaFit ships an update every 3 weeks, CEM Besòs weekly. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | OnnaFit | CEM Besòs |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 116 MB | 79 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [WIEMSPRO SL](https://appshunter.io/developer/1404433886) | [Fesmes XXI SL](https://appshunter.io/developer/1854166359) |

## What reviewers say

### OnnaFit

[App page](https://appshunter.io/ios/app/onnafit/id1608871015)

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

**In-app purchases:** none


### CEM Besòs

[App page](https://appshunter.io/ios/app/cem-besos/id6755486169)

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

**In-app purchases:** none


## Frequently asked questions

### Is OnnaFit free?

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

### Is CEM Besòs free?

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

### Do OnnaFit or CEM Besòs have ads?

Neither OnnaFit nor CEM Besòs shows ads.

### Which is updated more often, OnnaFit or CEM Besòs?

OnnaFit ships an update every 3 weeks, and CEM Besòs weekly. Most recently, OnnaFit was updated on October 20, 2026 and CEM Besòs on October 15, 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.*