250+ iOS apps curated and reviewed
The best music theory guitar apps on iPhone average 4.6★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (365) | Yes | Yes | Sep 2026 | |
| 2 |  | Free | — | No | No | May 2026 | |
| 3 |  | Free | 4.9★ (1.3K) | No | Yes | Sep 2026 | |
| 4 |  | Free | 4.7★ (2.4K) | Yes | Yes | Sep 2026 | |
| 5 |  | Free was $9.99 | 4.8★ (6.3K) | No | Yes | Sep 2026 | |
| 6 |  | Free | 2.8★ (10) | Yes | Yes | Aug 2026 | |
| 7 |  | Free | 4.8★ (26K) | No | Yes | Sep 2026 | |
| 8 |  | $0.99 | — | — | No | Aug 2026 |
This app transforms music theory into practical guitar skills through interactive lessons and fretboard exercises. Learn to understand keys, scales, and chords, and apply new concepts instantly to your playing. Accelerate your musical journey and break through learning plateaus.
This app teaches applied music theory for aspiring musicians. Learn to construct melodies, chords, and progressions through interactive exercises and video lessons. It's designed for both beginners and experienced players to enhance their creative songwriting and instrumental skills.
