# Workout Notebook vs AI Muscle Map

The clearest difference is iOS requirement: Workout Notebook at 12.0 against AI Muscle Map's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Workout Notebook sells 3 in-app purchases, starting at $1.99 per month and AI Muscle Map sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Workout Notebook ships an update every 2 weeks, AI Muscle Map every 3 weeks. The most recent releases landed on September 7, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Workout Notebook | AI Muscle Map |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/workout-notebook/id1554826522/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 114 MB | 82 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Tetsuma Yaguchi](https://appshunter.io/developer/1554826524) | [SIXWAY LLC](https://appshunter.io/developer/1707137282) |

## What reviewers say

### Workout Notebook

[App page](https://appshunter.io/ios/app/workout-notebook/id1554826522)

Record your workouts and track progress with personalized training menus and detailed body metrics. Visualize your fitness journey with customizable graphs and add notes for comprehensive health tracking.

**Highlights:** Personalized training menu design, Save and reuse menu templates, Workout calendar and history, Body record tracking (weight, fat %, calories), Dual graph visualization of progress, Memos for detailed training and lifestyle notes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Services (Monthly) | $1.99 | per month |
| Premium Service (Half-year) | $5.99 | per 6 months |
| Premium Service (1-year) | $9.99 | per year |


### 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 |


## Frequently asked questions

### Is Workout Notebook free?

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

### Is AI Muscle Map free?

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

### Do Workout Notebook or AI Muscle Map have ads?

Both Workout Notebook and AI Muscle Map show ads.

### Which is updated more often, Workout Notebook or AI Muscle Map?

Workout Notebook ships an update every 2 weeks, and AI Muscle Map every 3 weeks. Most recently, Workout Notebook was updated on September 7, 2026 and AI Muscle Map on September 12, 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.*