# mrTrainer vs MuscleLab

The clearest difference is iOS requirement: MuscleLab at 16.6 against mrTrainer's 18.5. 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.

mrTrainer ships an update every 9 days, MuscleLab weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | mrTrainer | MuscleLab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Size | 3 MB | 30 MB |
| Requires iOS | 18.5 | **16.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Sham Rasheed](https://appshunter.io/developer/1824856005) | [Ilya Valasiuk](https://appshunter.io/developer/1861559036) |

## What reviewers say

### mrTrainer

[App page](https://appshunter.io/ios/app/mrtrainer/id6751943951)

**Features:** macOS Compatibility

**In-app purchases:** none


### MuscleLab

[App page](https://appshunter.io/ios/app/musclelab/id6756586925)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is mrTrainer free?

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

### Is MuscleLab free?

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

### Do mrTrainer or MuscleLab have ads?

Neither mrTrainer nor MuscleLab shows ads.

### Which is updated more often, mrTrainer or MuscleLab?

mrTrainer ships an update every 9 days, and MuscleLab weekly. Most recently, mrTrainer was updated on October 25, 2026 and MuscleLab on October 25, 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.*