# AI Muscle Map vs つみ筋

The clearest difference is in-app purchases: つみ筋 at none against AI Muscle Map's 2. つみ筋 also leads on update cadence (every 4 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AI Muscle Map sells 2 in-app purchases, starting at $1.99 per month. つみ筋 asks for nothing beyond the download.

AI Muscle Map ships an update every 3 weeks, つみ筋 every 4 days. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | AI Muscle Map | つみ筋 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 82 MB | 79 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [SIXWAY LLC](https://appshunter.io/developer/1707137282) | [Yuta Yoshinaga](https://appshunter.io/developer/1868048345) |

## What reviewers say

### AI Muscle Map

[App page](https://appshunter.io/ios/app/ai-muscle-map/id6466262329)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium service 1 month | $1.99 | per month |
| Premium Service 1 month | $1.99 | per month |


### つみ筋

[App page](https://appshunter.io/ios/app/rpg/id6757642776)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI Muscle Map free?

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

### Is つみ筋 free?

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

### Do AI Muscle Map or つみ筋 have ads?

Both AI Muscle Map and つみ筋 show ads.

### Which is updated more often, AI Muscle Map or つみ筋?

AI Muscle Map ships an update every 3 weeks, and つみ筋 every 4 days. Most recently, AI Muscle Map was updated on October 16, 2026 and つみ筋 on October 6, 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.*