# RMG Gym vs OOS

The clearest difference is update cadence: OOS at every 3 months against RMG Gym's every 18 months. OOS also leads on device support and iOS requirement (12.4 vs 15.0). On price 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.

RMG Gym ships an update every 18 months, OOS every 3 months. The most recent releases landed on June 24, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | RMG Gym | OOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 18 months | **Every 3 months** |
| Size | 28 MB | 42 MB |
| Requires iOS | 15.0 | **12.4** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [enjoyIT Sp. z o.o.](https://appshunter.io/developer/881099365) | [Lukasz Kmiecik](https://appshunter.io/developer/1676048515) |

## What reviewers say

### RMG Gym

[App page](https://appshunter.io/ios/app/rmg-gym/id1629928352)

**In-app purchases:** none


### OOS

[App page](https://appshunter.io/ios/app/oos/id6446111586)

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

**In-app purchases:** none


## Frequently asked questions

### Is RMG Gym free?

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

### Is OOS free?

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

### Which is updated more often, RMG Gym or OOS?

RMG Gym ships an update every 18 months, and OOS every 3 months. Most recently, RMG Gym was updated on June 24, 2026 and OOS on September 7, 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.*