# MUSE vs Scouter Σ

The clearest difference is in-app purchases: Scouter Σ at none against MUSE's 4. Scouter Σ also leads on update cadence (every 9 days vs every 3 weeks). MUSE's advantage is ads (none vs shown) and iOS requirement (16.0 vs 26.5). On price and device support there is nothing between them.

Both are free to download. MUSE sells 4 in-app purchases, starting at $1.99 per 7 days. Scouter Σ asks for nothing beyond the download.

MUSE ships an update every 3 weeks, Scouter Σ every 9 days. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | MUSE | Scouter Σ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/muse-song-generator-and-ai/id6754799797/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Freemium | — |
| Size | 86 MB | 23 MB |
| Requires iOS | **16.0** | 26.5 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Victoriia Smirnova](https://appshunter.io/developer/1664529079) | [NAOKO UEDA](https://appshunter.io/developer/6794537735) |

## What reviewers say

### MUSE

[App page](https://appshunter.io/ios/app/muse-song-generator-and-ai/id6754799797)

Generate original songs and transform voices using AI. Describe your musical ideas and let the app bring them to life in various genres. Share your creations instantly with friends for entertainment and creative exploration.

**Highlights:** AI Music Generator, Voice Transformations, Multiple Genres, Instant Creation, Share with Friends

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MUSE Premium | $1.99 | per 7 days |
| MUSE Premium | $3.99 | per month |
| MUSE Premium | $6.99 | per month |
| MUSE Premium | $29.99 | per year |


### Scouter Σ

[App page](https://appshunter.io/ios/app/scouter/id6795956813)

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

**In-app purchases:** none


## Frequently asked questions

### Is MUSE free?

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

### Is Scouter Σ free?

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

### Do MUSE or Scouter Σ have ads?

Scouter Σ shows ads; MUSE does not.

### Which is updated more often, MUSE or Scouter Σ?

MUSE ships an update every 3 weeks, and Scouter Σ every 9 days. Most recently, MUSE was updated on October 30, 2026 and Scouter Σ on October 29, 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.*