# GainLog vs Musku

The clearest difference is iOS requirement: GainLog at 13.0 against Musku's 16.4. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. GainLog sells 2 in-app purchases, starting at $3.99 per month and Musku sells 3 in-app purchases, starting at $2.89 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | GainLog | Musku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | Every 3 days |
| Size | 42 MB | 70 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Luuk Steltenpool](https://appshunter.io/developer/1895708422) | [Julien Legrand](https://appshunter.io/developer/1896314334) |

## What reviewers say

### GainLog

[App page](https://appshunter.io/ios/app/gainlog-gym-workout-tracker/id6764263496)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $3.99 | per month |
| Yearly Premium | $24.99 | per year |


### Musku

[App page](https://appshunter.io/ios/app/musku-workout-tracker/id6766680804)

**Features:** Apple Watch app, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Musku Premium Monthly | $2.89 | per month |
| Musku Premium | $17.99 | per year |
| Musku Premium Annual | $17.99 | per year |


## Frequently asked questions

### Is GainLog free?

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

### Is Musku free?

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

### Do GainLog or Musku have ads?

Neither GainLog nor Musku shows ads.

### Which is updated more often, GainLog or Musku?

GainLog ships an update every 3 days, and Musku every 3 days. Most recently, GainLog was updated on November 5, 2026 and Musku on November 9, 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.*