# MuscleMemory vs ジム日記

The clearest difference is in-app purchases: ジム日記 at none against MuscleMemory's 3. ジム日記 also leads on update cadence (fortnightly vs monthly). MuscleMemory's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. MuscleMemory sells 3 in-app purchases, starting at $2.99 per month. ジム日記 asks for nothing beyond the download.

MuscleMemory ships an update monthly, ジム日記 fortnightly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | MuscleMemory | ジム日記 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Freemium | — |
| Size | 44 MB | 1 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yosuke Ogata](https://appshunter.io/developer/1574464497) | [ai yamada](https://appshunter.io/developer/1885587377) |

## What reviewers say

### MuscleMemory

[App page](https://appshunter.io/ios/app/musclememory-workout-tracker/id1586318354)

This app helps you track your fitness progress with a visual workout calendar and daily check-in photos. Log custom routines, keep fit notes, and review your history to see your dedication and build lasting habits.

**Highlights:** Visual workout calendar, Daily body check photos, Customizable training menus, Daily fit notes and reflections, Workout history and analytics

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 【One Month】Premium Features | $2.99 | per month |
| 【Annual】Premium Features | $22.99 | per year |
| 【LifeTime】Premium Features | $49.99 | one-time |


### ジム日記

[App page](https://appshunter.io/ios/app/id6799602090)

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

**In-app purchases:** none


## Frequently asked questions

### Is MuscleMemory free?

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

### Is ジム日記 free?

ジム日記 is free to download, with no in-app purchases.

### Do MuscleMemory or ジム日記 have ads?

Neither MuscleMemory nor ジム日記 shows ads.

### Which is updated more often, MuscleMemory or ジム日記?

MuscleMemory ships an update monthly, and ジム日記 fortnightly. Most recently, MuscleMemory was updated on November 3, 2026 and ジム日記 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.*