# MuscleMusic vs InteroHB

The clearest difference is ads: InteroHB at none against MuscleMusic's shown. MuscleMusic's advantage is update cadence (every 6 weeks vs every 5 months) and iOS requirement (15.1 vs 26.2). On price, in-app purchases and device support there is nothing between them.

Both are free to download. MuscleMusic sells 8 in-app purchases, starting at $8.99 per 7 days and InteroHB sells 1 in-app purchase, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

MuscleMusic ships an update every 6 weeks, InteroHB every 5 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | MuscleMusic | InteroHB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (13 ratings)](https://appshunter.io/ios/app/musclemusic/id1615925460/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 88 MB | 7 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Ruby Fox](https://appshunter.io/developer/1615925462) | [Chad Miller](https://appshunter.io/developer/1889396275) |

## What reviewers say

### MuscleMusic

[App page](https://appshunter.io/ios/app/musclemusic/id1615925460)

This app offers mental health support for artists and performers, providing strategies for stage fright and anxiety. It includes a nervous system resilience tracker, masterclass content, and community features.

**Highlights:** Stage fright and anxiety strategies, Nervous system resilience tracking, Masterclass content, Community features, Progress tracking, Offline sync

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $8.99 | per 7 days |
| Monthly Membership | $9.99 | per month |
| Subscription | $9.99 | per month |
| Basic App Plan | $9.99 | per month |
| UNLIMITED ZOOMS | $19.00 | per month |
| Subscription | $34.99 | per 6 months |
| Subscription | $49.99 | per month |
| One Time Subscription | $49.99 | one-time |


### InteroHB

[App page](https://appshunter.io/ios/app/interohb/id6761402193)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InteroHB Premium - Yearly | $9.99 | per year |


## Frequently asked questions

### Is MuscleMusic free?

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

### Is InteroHB free?

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

### Do MuscleMusic or InteroHB have ads?

MuscleMusic shows ads; InteroHB does not.

### Which is updated more often, MuscleMusic or InteroHB?

MuscleMusic ships an update every 6 weeks, and InteroHB every 5 months. Most recently, MuscleMusic was updated on November 3, 2026 and InteroHB on November 5, 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.*