# OnnaFit vs ROUND TRAINING CENTER

The clearest difference is iOS requirement: OnnaFit at 11.0 against ROUND TRAINING CENTER's 15.0. On price, update cadence, ads and in-app purchases 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, ROUND TRAINING CENTER every 2 weeks. The most recent releases landed on August 19, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | OnnaFit | ROUND TRAINING CENTER |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 116 MB | 95 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WIEMSPRO SL](https://appshunter.io/developer/1404433886) | [DEPOROCIO INVERSIONES S.L.](https://appshunter.io/developer/1763821547) |

## What reviewers say

### OnnaFit

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

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

**In-app purchases:** none


### ROUND TRAINING CENTER

[App page](https://appshunter.io/ios/app/round-training-center/id1645504977)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OnnaFit free?

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

### Is ROUND TRAINING CENTER free?

ROUND TRAINING CENTER is free to download, with no in-app purchases.

### Do OnnaFit or ROUND TRAINING CENTER have ads?

Neither OnnaFit nor ROUND TRAINING CENTER shows ads.

### Which is updated more often, OnnaFit or ROUND TRAINING CENTER?

OnnaFit ships an update every 3 weeks, and ROUND TRAINING CENTER every 2 weeks. Most recently, OnnaFit was updated on August 19, 2026 and ROUND TRAINING CENTER on September 19, 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.*