250+ iOS apps curated and reviewed
Looking for free music theory by justin guitar apps? 19 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (331) | Yes | Yes | Aug 2026 |
| 2 |  | Free | 4.8★ (26K) | No | Yes | Aug 2026 |
| 3 |  | Free | 4.3★ (112) | No | No | Jul 2026 |
| 4 |  | $4.99 | 5.0★ (2) | No | No | Aug 2026 |
| 5 |  | Free | — | No | Yes | Jul 2026 |
| 6 |  | Free | 4.4★ (28) | No | Yes | Aug 2026 |
| 7 |  | Free | — | No | Yes | Jun 2026 |
| 8 |  | Free | 4.6★ (7.6K) | Yes | Yes | 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.
Learn guitar with structured lessons and interactive tools designed for beginners. Master chords, practice songs, and track your progress with a proven method from a world-renowned instructor. Everything you need to become a confident player is in one app.
This free app helps beginner guitarists track their chord changes. It includes all chords from a popular beginner course and allows custom additions. The app analyzes your performance to highlight challenging chords.
Master the guitar fretboard quickly with daily exercises designed to build a deep understanding of note locations. This app helps you stop guessing and start knowing every note on your guitar, improving your playing.
Learn guitar and music theory with interactive lessons and exercises. This app offers a structured path to improve your skills, focusing on fretboard knowledge and practical application for all levels.
Learn guitar with an innovative color-coded system designed for beginners. Get instant feedback on your playing, access a large song library, and track your progress. This app offers tailored lessons and professional guidance to make learning enjoyable and effective.
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.
Learn guitar at your own pace with interactive lessons, real songs, and instant feedback. This app offers a comprehensive learning path for all skill levels, from beginner to advanced, with a vast library of content and practice tools.
This app listens to your guitar playing and provides real-time feedback on notes and chords. It features an AI tutor for personalized advice, progress tracking, and a library of exercises. Includes a built-in tuner and metronome.
Learn guitar theory, notes, scales, and chords through fun, gamified lessons and interactive quizzes. Track your progress and unlock rewards as you build real guitar skills.
Learn music theory through engaging and adaptive exercises. Designed by professional musicians, this app makes learning fun and effective for all skill levels.
Learn to play guitar, bass, or sing with interactive lessons and instant feedback. Master thousands of songs and exercises at your own pace, from beginner to professional levels. Includes a built-in tuner and gamified practice to make learning fun and effective.
Explore the mathematical and computational underpinnings of music theory. This app uses algorithms, data visualization, and computer science concepts to make understanding scales, chords, and harmony intuitive and accessible, even without prior music knowledge.
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.
Learn guitar with a virtual instrument, thousands of songs, tabs, and chords. Play rhythm games, create backing tracks, and master chord progressions. Suitable for beginners and experienced players alike.