# OnnaFit vs RSP App

The clearest difference is update cadence: OnnaFit at every 3 weeks against RSP App's every 2 months. OnnaFit also leads on iOS requirement (11.0 vs 13.0). 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, RSP App every 2 months. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | OnnaFit | RSP App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 116 MB | 23 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WIEMSPRO SL](https://appshunter.io/developer/1404433886) | [Inercial Performance Sl.](https://appshunter.io/developer/1554126019) |

## What reviewers say

### OnnaFit

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

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

**In-app purchases:** none


### RSP App

[App page](https://appshunter.io/ios/app/rsp-app/id1623553151)

**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 RSP App free?

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

### Do OnnaFit or RSP App have ads?

Neither OnnaFit nor RSP App shows ads.

### Which is updated more often, OnnaFit or RSP App?

OnnaFit ships an update every 3 weeks, and RSP App every 2 months. Most recently, OnnaFit was updated on October 15, 2026 and RSP App on October 12, 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.*