# Muscles vs FitRabbit AI

The clearest difference is ads: Muscles at none against FitRabbit AI's shown. FitRabbit AI's advantage is device support (4 vs 1) and ratings volume (11 vs 3). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Muscles sells 1 one-off in-app purchase and FitRabbit AI sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Muscles against 5.0 for FitRabbit AI. Both are backed by a comparable volume of ratings — 3 and 11 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Muscles ships an update fortnightly, FitRabbit AI every 9 days. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Muscles | FitRabbit AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/muscles-workout-tracker/id6476836905/reviews) | [5.0 (11 ratings)](https://appshunter.io/ios/app/fitrabbit-ai/id6775716894/reviews) |
| Number of ratings | 3 | **11** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 2 MB | 161 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Nathan Armstrong](https://appshunter.io/developer/982863187) | [Kou Barlow](https://appshunter.io/developer/6775716896) |

## What reviewers say

### Muscles

[App page](https://appshunter.io/ios/app/muscles-workout-tracker/id6476836905)

This app offers a streamlined and intuitive way to log your exercise sessions. Easily track your progress with visual analytics and motivational graphs. Its beautiful interface makes fitness tracking enjoyable for all levels.

**Highlights:** Effortless workout logging, Customizable exercise tracking, Progress visualization with graphs, Insightful analytics and statistics, Beautiful and minimalist interface, Dashboard widgets for quick insights

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $4.99 | one-time |


### FitRabbit AI

[App page](https://appshunter.io/ios/app/fitrabbit-ai/id6775716894)

Track your meals and align them with brain-healthy eating patterns. Log food through typing, scanning barcodes, searching a catalog, or taking photos, with detailed nutrition information available offline.

**Highlights:** MIND diet focus with brain-healthy food tagging, Manual food entry with full nutrition control, Barcode scanning powered by Open Food Facts, Offline USDA food catalog, AI meal photo scan for food identification, Local-first and private by default logging, Cloud sync with Pro subscription

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fit Rabbit Pro Monthly | $2.99 | per month |
| Fit Rabbit Pro Yearly | $19.99 | per year |
| Fit Rabbit Pro Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Muscles free?

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

### Is FitRabbit AI free?

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

### Which has better reviews, Muscles or FitRabbit AI?

Muscles and FitRabbit AI are both rated 5.0 out of 5 on the App Store, from 3 and 11 ratings respectively.

### Do Muscles or FitRabbit AI have ads?

FitRabbit AI shows ads; Muscles does not.

### Which is updated more often, Muscles or FitRabbit AI?

Muscles ships an update fortnightly, and FitRabbit AI every 9 days. Most recently, Muscles was updated on November 5, 2026 and FitRabbit AI on November 10, 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.*