# Muscle Memory vs M

The clearest difference is ads: M at none against Muscle Memory's shown. M also leads on iOS requirement (13.0 vs 15.5). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Muscle Memory sells 1 in-app purchase, starting at $2.99 per month and M sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Muscle Memory | M |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | Every 4 days |
| Size | 123 MB | 54 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [hiroto hashimoto](https://appshunter.io/developer/1884572209) | [Kawasaki Takato](https://appshunter.io/developer/1896688087) |

## What reviewers say

### Muscle Memory

[App page](https://appshunter.io/ios/app/muscle-memory-workout-log/id6760459152)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $2.99 | per month |


### M

[App page](https://appshunter.io/ios/app/m-memo-workout-log/id6769787680)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| テンプレートを無制限に解放 | $1.99 | one-time |


## Frequently asked questions

### Is Muscle Memory free?

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

### Is M free?

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

### Do Muscle Memory or M have ads?

Muscle Memory shows ads; M does not.

### Which is updated more often, Muscle Memory or M?

Muscle Memory ships an update every 4 days, and M every 4 days. Most recently, Muscle Memory was updated on November 9, 2026 and M on November 5, 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.*