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Best Music Theory Guitar Apps

206+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated May 2026

The best music theory guitar apps on iPhone average 4.6β˜… across 206+ titles β€” we've ranked them by what real users actually keep on their phones. Updated May 2026.

Top Picks for Music Theory Guitar

Music Theory by Justin Guitar#1

Music Theory by Justin Guitar by Musopia Oy

How Music Works on Fretboard
Editor's Choice
πŸ“š Education
4.5(72 ratings)
FreeAdsIn-App Purchases
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Music Theory by Justin Guitar screenshot 5
Music Theory by Justin Guitar screenshot 6

This music theory app for guitarists transforms complex theory into practical playing skills through interactive lessons and hands-on fretboard exercises, helping you understand music in a way that makes sense for guitar players. By using the app, you'll gain confidence in your playing, learn songs by ear, and unlock new levels in your guitar playing journey.

Fretonomy - Learn Fretboard#2

Fretonomy - Learn Fretboard by Strong Apps LLC

Master notes, chords and more!
Strong Contender
πŸ“š Education
4.6😊(2.4K ratings)
FreeAdsIn-App Purchases
Fretonomy - Learn Fretboard screenshot 1
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Learn notes, chords, and more with an ultimate educational game for mastering the fretboard of various stringed instruments. Practice different games to enhance your skills, customize your experience, explore scales, create chord progressions, track your progress, and more. Access the free version to train on the first few frets of each instrument, with the option to unlock full features via in-app purchases. Visit https://www.fretonomy.com/terms/ for more information.

What We Love

  • πŸš€ Helpful for learning fretboard
  • 🎨 Clean and intuitive interface
  • 🧠 Effective for memorizing notes
  • πŸ’° Good value for money

Room to Improve

  • πŸ› Bugs and glitches in some features
  • πŸ”’ Subscription model required for full access
  • πŸ“ Limited fretboard zoom and visualization
Waay: Learn music theory#3

Waay: Learn music theory by Ten Kettles Inc.

Perfect for beginners
Worth Considering
πŸ“š Education
4.9😊(1.2K ratings)
FreeIn-App Purchases
Waay: Learn music theory screenshot 1
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Learn music theory effortlessly with interactive exercises, video lessons, and progress tracking through Waay. Discover how to harmonize notes into melodies, chords, and songs. Ideal for beginners and musicians looking to enhance their musical skills.

What We Love

  • πŸ‘ Excellent explanations
  • πŸš€ Effective learning process
  • πŸ’‘ Intuitive and engaging
  • πŸ‘ Great for beginners

Room to Improve

  • πŸ’° Expensive subscription
  • πŸ”’ Limited free content
  • πŸ› Lack of sound feedback in exercises

More Music Theory Guitar apps to explore

4
Yousician: Learn & Play Guitar
Yousician: Learn & Play Guitar
Yousician: Learn & Play Guitar
Lessons & Songs for Beginners
Free

Learn how to play musical instruments with interactive lessons tailored to your skill level, providing real-time feedback and progress tracking. Start your musical journey today and become a proficient musician with regular practice and dedication.

πŸ“š Education
(136K)
5
ScaleBank: Guitar Scales
ScaleBank: Guitar Scales
ScaleBank: Guitar Scales
Riff Finder, Blues Theory, Jam
Free

ScaleBank: Guitar Scales is a comprehensive app for guitarists to learn, practice, and improve their skills with various scales and patterns. Whether you're a beginner or advanced player, ScaleBank offers a wide range of features for free, with the option to unlock all content through a subscription for deeper learning. With ScaleBank, enhance your guitar playing experience and unlock your full potential.

🎡 Music
(973)
6
TONALY: Songs, Scales & Theory
TONALY: Songs, Scales & Theory
TONALY: Songs, Scales & Theory
Chords, Scales & Progressions
Free
$9.99 | 100% OFF

Tonal-A: Simplify songwriting with advanced chord progression suggestions and melody recommendations. Unlock your musical potential and take your compositions to the next level. Experience harmonious creation today!

🎡 Music
(279)
7
Fingerboard - Metronome -
Fingerboard - Metronome -
Fingerboard - Metronome -
by hidehiko aihara
Free
πŸ“Š Productivity
(0)
8
Fender Play: Learn Guitar
Fender Play: Learn Guitar
Fender Play: Learn Guitar
Songs, Scales, Chords & Tabs
Free

Learn to play your favorite songs on guitar with step-by-step tutorials, chord diagrams, and guided lessons. Start your musical journey today and master your favorite tunes with ease.

πŸ“š Education
(61K)
9
Songsterr Tabs & Chords
Songsterr Tabs & Chords
Songsterr Tabs & Chords
Guitar, bass and drum tabs
Free

Access a vast collection of interactive guitar tabs for various songs, offering a practical way to learn and play music. Start exploring and enhancing your musical skills today!

🎡 Music
(42K)
10
Gibson: Learn to Play Guitar
Gibson: Learn to Play Guitar
Gibson: Learn to Play Guitar
Lessons, Songs, Chords & Tabs
Free

Unlock your musical potential with an innovative app that offers interactive guitar lessons, chord libraries, and practice tools. Elevate your skills and creativity in music with Gibson - start your musical journey today!

πŸ“š Education
(12K)
11
Guitar Fretboard Note Trainer
Guitar Fretboard Note Trainer
Guitar Fretboard Note Trainer
Learn guitar notes super fast
$1.99

Learn the notes on the guitar neck with an app that offers four training modes to enhance your skills quickly, along with audio support and a cheat option for beginners. Improve your guitar knowledge and practice effectively with this useful tool.

πŸ“š Education
(151)
12
TrueFire Guitar Lessons
TrueFire Guitar Lessons
TrueFire Guitar Lessons
80,000+ Video Guitar Lessons
Free

Access 80,000 video guitar lessons, 30,000 tabs, and 20,000 jam tracks with TrueFire's iOS app. Learn from top artists like Joe Bonamassa and Steve Vai for all levels and styles of guitar playing. Sign up for a free trial now!

πŸ“š Education
(14K)
13
MyMusicTheory - Music Theory
MyMusicTheory - Music Theory
MyMusicTheory - Music Theory
Exercises, lessons and quizzes
Free

An app for practicing music theory, sight reading, and mastering key concepts such as key signatures, intervals, chords, scales, and rhythms across different clefs. Suitable for beginners to advanced learners preparing for Levels 1-5 of ABRSM. Start improving your musical knowledge today!

πŸ“š Education
(733)
14
Circle o Fifths: Music Theory
Circle o Fifths: Music Theory
Circle o Fifths: Music Theory
Practice, learn and play music
$2.99

Explore a music theory app that lets you practice, learn, and play music effortlessly. Enhance your music skills with interactive notes, real guitar recordings, chord charts, and color coding for easy reference. Unlock the circle of fifths, master key relationships, and even write your own songs.

🎡 Music
(1K)
15
G-Chord
G-Chord
G-Chord
Guitar Chord Finder
Free

This guitar chord finder app displays chords and shows how to hold down the strings, offering a range of features to enhance your playing experience. Download now and unlock all features, including ad-free browsing, extensive chord library, and memo storage, to take your guitar playing to the next level.

🎡 Music
(10)
16
MuseScore－Sheet Music & Chords
MuseScore－Sheet Music & Chords
MuseScore－Sheet Music & Chords
Tab for piano, guitar & so on
Free

Discover and play a vast collection of high-quality sheet music for various instruments with this app. Access over 1.5 million free music scores, ranging from classical to anime and video game music, and easily search for new pieces to play.

🎡 Music
(9.9K)
17
Guitar Gravitas Accords Leçons
Guitar Gravitas Accords Leçons
Guitar Gravitas Accords Leçons
Learn guitar. Guitar Lessons.
Free

Enhance your guitar skills with an application that offers comprehensive lessons on chords and scales. Master the art of playing the guitar through structured learning resources and practical exercises. Explore the world of music with Guitar Gravitas!

🎡 Music
(1.1K)
18
Fender Tune: Guitar Tuner App
Fender Tune: Guitar Tuner App
Fender Tune: Guitar Tuner App
Chords, Scales and Metronome
Free

Get in tune like a pro with a top-rated tuner app for guitar, bass, and ukulele. Enhance your playing with chords, scales, and a metronome. Sign up for a free account for access to a wealth of guitar resources and exclusive gear discounts. Download now to elevate your musical practice.

🎡 Music
(147K)
19
Ultimate Guitar - Play Musics
Ultimate Guitar - Play Musics
Ultimate Guitar - Play Musics
Play Guitar Game, Learn Songs
Free

A user-friendly app for guitarists to view, play, edit, and share guitar tablatures, offering a wide range of tabs and playback features to aid practice and customize editing tools. Try it out to enhance your guitar skills and share your work with others.

πŸ”§ Utilities
(47)
20
Simply Guitar - Learn Guitar
Simply Guitar - Learn Guitar
Simply Guitar - Learn Guitar
Apprenez Γ  jouer de la guitare
Free

Learn to play guitar with ease using Simply Guitar - Learn Guitar app. Access a wide range of songs, lessons, and tutorials to master your guitar skills. Start your musical journey today!

πŸ“š Education
(382K)