# Music Theory vs Mémo Notes

The clearest difference is in-app purchases: Mémo Notes at none against Music Theory's 3. Mémo Notes also leads on iOS requirement (15.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Music Theory sells 3 in-app purchases, starting at $2.99 per month. Mémo Notes asks for nothing beyond the download.

Music Theory ships an update every 2 weeks, Mémo Notes weekly. The most recent releases landed on October 11, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Music Theory | Mémo Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/music-theory-notehunter/id1584522362/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Freemium | — |
| Size | 139 MB | 3 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Akos Komuves](https://appshunter.io/developer/1478520249) | [Francois Fouqueau](https://appshunter.io/developer/1892826517) |

## What reviewers say

### Music Theory

[App page](https://appshunter.io/ios/app/music-theory-notehunter/id1584522362)

This app offers a gamified approach to learning music theory, covering intervals, rhythm, and sight-reading. It features a guided "Journey" mode for beginners and a "Free Play" mode for advanced musicians to hone specific skills.

**Highlights:** Gamified music learning, Interval recognition, Rhythm training, Sight-reading practice, AI personalized tips, Progress tracking

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Annual | $19.99 | per year |
| Lifetime | $24.99 | one-time |


### Mémo Notes

[App page](https://appshunter.io/ios/app/memo-notes/id6771541428)

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

**In-app purchases:** none


## Frequently asked questions

### Is Music Theory free?

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

### Is Mémo Notes free?

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

### Do Music Theory or Mémo Notes have ads?

Neither Music Theory nor Mémo Notes shows ads.

### Which is updated more often, Music Theory or Mémo Notes?

Music Theory ships an update every 2 weeks, and Mémo Notes weekly. Most recently, Music Theory was updated on October 11, 2026 and Mémo Notes on September 20, 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.*