# Red Gym vs Trainedbyk

The clearest difference is update cadence: Trainedbyk at every 3 months against Red Gym's every 12 months. Red Gym's advantage is iOS requirement (13.4 vs 15.0). 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.

Red Gym ships an update every 12 months, Trainedbyk every 3 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Red Gym | Trainedbyk |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 months** |
| Size | 34 MB | 47 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Scope Software Solutions LLC](https://appshunter.io/developer/1482938062) | [Ervin Kovacs](https://appshunter.io/developer/1773268994) |

## What reviewers say

### Red Gym

[App page](https://appshunter.io/ios/app/red-gym/id6466412193)

**In-app purchases:** none


### Trainedbyk

[App page](https://appshunter.io/ios/app/trainedbyk/id6736760780)

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

**In-app purchases:** none


## Frequently asked questions

### Is Red Gym free?

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

### Is Trainedbyk free?

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

### Do Red Gym or Trainedbyk have ads?

Neither Red Gym nor Trainedbyk shows ads.

### Which is updated more often, Red Gym or Trainedbyk?

Red Gym ships an update every 12 months, and Trainedbyk every 3 months. Most recently, Red Gym was updated on October 27, 2026 and Trainedbyk on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*