# Pro Breathwork App vs MuscleMetrics

The clearest difference is in-app purchases: MuscleMetrics at none against Pro Breathwork App's 8. Pro Breathwork App's advantage is device support (3 vs 1) and iOS requirement (15.2 vs 18.6). On price, update cadence and ads there is nothing between them.

Both are free to download. Pro Breathwork App sells 8 one-off in-app purchases. MuscleMetrics asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Pro Breathwork App | MuscleMetrics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 110 MB | 88 MB |
| Requires iOS | **15.2** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [JACKSON HEALTH AND FITNESS LIMITED](https://appshunter.io/developer/1664059444) | [Harry Cunningham](https://appshunter.io/developer/1855704145) |

## What reviewers say

### Pro Breathwork App

[App page](https://appshunter.io/ios/app/pro-breathwork-app/id1664059442)

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Foundations of Breathing | Free | one-time |
| Breathwork: Stress & Anxiety | Free | one-time |
| Mastering Breathing Light | $9.99 | one-time |
| Sports Performance | $99.99 | one-time |
| Breathwork for Movement | $99.99 | one-time |
| BREATHE EASY Programme | $99.99 | one-time |
| High Intensity Breath Training | $99.99 | one-time |
| 10 Week Ultimate Program | $199.99 | one-time |


### MuscleMetrics

[App page](https://appshunter.io/ios/app/musclemetrics/id6755702103)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pro Breathwork App free?

Pro Breathwork App is free to download, with in-app purchases available.

### Is MuscleMetrics free?

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

### Do Pro Breathwork App or MuscleMetrics have ads?

Neither Pro Breathwork App nor MuscleMetrics shows ads.

### Which is updated more often, Pro Breathwork App or MuscleMetrics?

Pro Breathwork App ships an update every 2 months, and MuscleMetrics every 2 months. Most recently, Pro Breathwork App was updated on October 11, 2026 and MuscleMetrics on October 24, 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.*