# Music Theory 101 vs Note Buddies

The clearest difference is update cadence: Music Theory 101 at every 5 days against Note Buddies's every 2 weeks. Music Theory 101 also leads on iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Music Theory 101 ships an update every 5 days, Note Buddies every 2 weeks. The most recent releases landed on October 22, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Music Theory 101 | Note Buddies |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (70 ratings)](https://appshunter.io/ios/app/music-theory-101-study-course/id1629995579/reviews)** | — |
| Number of ratings | **70** | — |
| Positive reviews | 82.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Free | — |
| Size | 78 MB | 1 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Poesie Inc](https://appshunter.io/developer/1505664474) | [DAVID ARANDA](https://appshunter.io/developer/1259970024) |

## What reviewers say

### Music Theory 101

[App page](https://appshunter.io/ios/app/music-theory-101-study-course/id1629995579)

An interactive music theory training app covering classical fundamentals. It features 19 units with audio, exercises, and definitions, mirroring AP Music Theory exam curriculum. Practice skills with over 90 exercise types.

**Highlights:** Interactive music theory course, 19 comprehensive units, Audio samples and key definitions, Skill practice exercises, AP Music Theory exam curriculum, Over 90 exercise types, Aural recognition and dictation

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

**In-app purchases:** none


### Note Buddies

[App page](https://appshunter.io/ios/app/note-buddies/id6765886729)

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

**In-app purchases:** none


## Frequently asked questions

### Is Music Theory 101 free?

Music Theory 101 is free to download, with no in-app purchases.

### Is Note Buddies free?

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

### Do Music Theory 101 or Note Buddies have ads?

Neither Music Theory 101 nor Note Buddies shows ads.

### Which is updated more often, Music Theory 101 or Note Buddies?

Music Theory 101 ships an update every 5 days, and Note Buddies every 2 weeks. Most recently, Music Theory 101 was updated on October 22, 2026 and Note Buddies on October 15, 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.*