# Muscle Memory vs らくらく筋トレ記録

The clearest difference is in-app purchases: らくらく筋トレ記録 at none against Muscle Memory's 1. Muscle Memory's advantage is update cadence (every 4 days vs every 3 weeks) and iOS requirement (15.5 vs 17.0). On price, ads 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. らくらく筋トレ記録 asks for nothing beyond the download.

Muscle Memory ships an update every 4 days, らくらく筋トレ記録 every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Muscle Memory | らくらく筋トレ記録 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 123 MB | 10 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [hiroto hashimoto](https://appshunter.io/developer/1884572209) | [shunsuke saito](https://appshunter.io/developer/1811058823) |

## 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 |


### らくらく筋トレ記録

[App page](https://appshunter.io/ios/app/id6761645473)

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

**In-app purchases:** none


## Frequently asked questions

### Is Muscle Memory free?

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

### Is らくらく筋トレ記録 free?

らくらく筋トレ記録 is free to download, with no in-app purchases.

### Do Muscle Memory or らくらく筋トレ記録 have ads?

Both Muscle Memory and らくらく筋トレ記録 show ads.

### Which is updated more often, Muscle Memory or らくらく筋トレ記録?

Muscle Memory ships an update every 4 days, and らくらく筋トレ記録 every 3 weeks. Most recently, Muscle Memory was updated on October 31, 2026 and らくらく筋トレ記録 on October 31, 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.*