# Muscles vs Catalyst Wellness

The clearest difference is in-app purchases: Catalyst Wellness at none against Muscles's 1. Catalyst Wellness also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). Muscles's advantage is update cadence (fortnightly vs every 2 months). On price and ads there is nothing between them.

Both are free to download. Muscles sells 1 one-off in-app purchase. Catalyst Wellness asks for nothing beyond the download.

Muscles ships an update fortnightly, Catalyst Wellness every 2 months. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Muscles | Catalyst Wellness |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/muscles-workout-tracker/id6476836905/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 45 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nathan Armstrong](https://appshunter.io/developer/982863187) | [Sheridan Strength LLC](https://appshunter.io/developer/1727371749) |

## 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 |


### Catalyst Wellness

[App page](https://appshunter.io/ios/app/catalyst-wellness/id6754396437)

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

**In-app purchases:** none


## Frequently asked questions

### Is Muscles free?

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

### Is Catalyst Wellness free?

Catalyst Wellness is free to download, with no in-app purchases.

### Do Muscles or Catalyst Wellness have ads?

Neither Muscles nor Catalyst Wellness shows ads.

### Which is updated more often, Muscles or Catalyst Wellness?

Muscles ships an update fortnightly, and Catalyst Wellness every 2 months. Most recently, Muscles was updated on October 10, 2026 and Catalyst Wellness on October 11, 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.*