# MuscleLab vs Repstack

The clearest difference is in-app purchases: MuscleLab at none against Repstack's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Repstack sells 2 in-app purchases, starting at $3.99 per month. MuscleLab asks for nothing beyond the download.

MuscleLab ships an update weekly, Repstack every 8 days. The most recent releases landed on October 5, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | MuscleLab | Repstack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 8 days |
| Size | 30 MB | 41 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Ilya Valasiuk](https://appshunter.io/developer/1861559036) | [Steven LaGuardia](https://appshunter.io/developer/1832396630) |

## What reviewers say

### MuscleLab

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Repstack

[App page](https://appshunter.io/ios/app/repstack-workout-planner/id6757782341)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Repstack Pro (Monthly) | $3.99 | per month |
| Repstack Pro (Yearly) | $23.99 | per year |


## Frequently asked questions

### Is MuscleLab free?

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

### Is Repstack free?

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

### Do MuscleLab or Repstack have ads?

Neither MuscleLab nor Repstack shows ads.

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

MuscleLab ships an update weekly, and Repstack every 8 days. Most recently, MuscleLab was updated on October 5, 2026 and Repstack on October 4, 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.*