250+ iOS apps curated and reviewed
The best music theory guitar apps on iPhone average 4.2★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (381) | Yes | Yes | Sep 2026 | |
| 2 |  | Free | 4.6★ (2.5K) | No | Yes | Sep 2026 | |
| 3 |  | Free | 4.9★ (29) | No | Yes | Sep 2026 | |
| 4 |  | Free | — | No | No | May 2026 | |
| 5 |  | Free | 4.9★ (1.4K) | No | Yes | Sep 2026 | |
| 6 |  | Free | 2.8★ (10) | Yes | Yes | Sep 2026 | |
| 7 |  | Free | 4.8★ (6.3K) | No | Yes | Sep 2026 | |
| 8 |  | Free | — | Yes | Yes | May 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.
Master the fretboard of various stringed instruments with interactive games. Learn notes, chords, scales, and music theory. Track your progress and customize practice sessions for guitar, bass, ukulele, and more.
Master music theory with interactive lessons, ear training, and engaging challenges. Understand the fretboard, improve your musical ear, and play with greater creativity and confidence. Track your progress and explore a vast library of chords and scales.
