# TrainedBy vs Go Muscu

The clearest difference is in-app purchases: TrainedBy at none against Go Muscu's 1. TrainedBy also leads on device support (4 vs 2) and iOS requirement (15.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Go Muscu sells 1 one-off in-app purchase. TrainedBy asks for nothing beyond the download.

TrainedBy ships an update every 5 weeks, Go Muscu every 2 weeks. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | TrainedBy | Go Muscu |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 55 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [AVERAGE PEOPLE LTD](https://appshunter.io/developer/1671291296) | [Maxime Haeyaert](https://appshunter.io/developer/1274130669) |

## What reviewers say

### TrainedBy

[App page](https://appshunter.io/ios/app/trainedby/id6470719726)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


### Go Muscu

[App page](https://appshunter.io/ios/app/go-muscu/id6499366811)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Mode | Free | one-time |


## Frequently asked questions

### Is TrainedBy free?

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

### Is Go Muscu free?

Go Muscu is free to download, with in-app purchases available.

### Do TrainedBy or Go Muscu have ads?

Neither TrainedBy nor Go Muscu shows ads.

### Which is updated more often, TrainedBy or Go Muscu?

TrainedBy ships an update every 5 weeks, and Go Muscu every 2 weeks. Most recently, TrainedBy was updated on October 25, 2026 and Go Muscu on October 30, 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.*