Best Kids Music Theory Apps

241+ iOS apps curated and reviewed

4.4 avg rating
15 free apps
Updated July 2026

With an average user rating of 4.4★, the kids music theory category is one of the App Store's strongest. Browse all 241+ apps we track, sorted so the most loved ones surface first.

Compare top Kids Music Theory Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Music Theory 101: Study CourseMusic Theory 101: Study CourseFree4.6★ (28)NoNoJul 2026
2Theory LessonsTheory Lessons$2.994.4★ (126)NoNoJul 2026
3Music Theory by Justin GuitarMusic Theory by Justin GuitarFree4.8★ (331)YesYesAug 2026
4Memorize Music TheoryMemorize Music TheoryFreeYesYesMay 2026
5Tomus - music theory tutorTomus - music theory tutorFree4.9★ (50)NoYesMay 2026
6Music Theory MatrixMusic Theory MatrixFree5.0★ (1)NoNoJul 2026
7Easy Music - Give kids an ear for musicEasy Music - Give kids an ear for music$3.993.8★ (36)NoNoJul 2026
8Learn music theory with SonidLearn music theory with SonidFree4.7★ (212)YesYesJul 2026

Top Picks for Kids Music Theory

Music Theory 101: Study Course#1

Music Theory 101: Study Course by Poesie Inc

Learn one new topic per day!
Editor's Choice
📚 Education
4.6(28 ratings)
Free
Music Theory 101: Study Course screenshot 1
Music Theory 101: Study Course screenshot 2
Music Theory 101: Study Course screenshot 3

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.

Theory Lessons#2

Theory Lessons by musictheory.net

Strong Contender
🎵 Music
4.4😊(126 ratings)
$2.99
#10in Music
Theory Lessons screenshot 1
Theory Lessons screenshot 2
Theory Lessons screenshot 3
Theory Lessons screenshot 4
Theory Lessons screenshot 5

Explore 39 animated music theory lessons covering fundamental concepts like scales, chords, and intervals. Deepen your understanding of musical structure and analysis with this comprehensive resource.

What We Love

  • 🚀 Efficient and easy to use
  • 👍 Clear and concise explanations
  • 💡 Helpful visual aids and animations
  • 🤩 Excellent learning tool for beginners

Room to Improve

  • 🐛 Audio issues on some devices
  • 🔍 Limited content compared to website
  • 🤔 Keyboard-centric approach may not suit non-pianists
Music Theory by Justin Guitar#3

Music Theory by Justin Guitar by Musopia

Guitar Theory, Chords & Scales
Worth Considering
📚 Education
4.8(331 ratings)
FreeAdsIn-App Purchases
Music Theory by Justin Guitar screenshot 1
Music Theory by Justin Guitar screenshot 2
Music Theory by Justin Guitar screenshot 3
Music Theory by Justin Guitar screenshot 4
Music Theory by Justin Guitar screenshot 5
Music Theory by Justin Guitar screenshot 6

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.

More Kids Music Theory apps to explore

4
Memorize Music Theory
Memorize Music Theory
Memorize Music Theory
by E-Sharp LLC
Free
📚 Education
(0)
5
Tomus - music theory tutor
Tomus - music theory tutor
Tomus - music theory tutor
Games and quizzes for progress
Free

This app offers a game-based approach to learning music theory. It provides daily sessions and training modules covering ear training, sight-reading, rhythm, and music knowledge to enhance musical intelligence and skills.

Game-based learningDaily music theory sessionsEar training modules
📚 Education
(50)
freemium
6
Music Theory Matrix
Music Theory Matrix
Music Theory Matrix
Learn music theory
Free

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.

Mathematical frequency calculationsInteractive piano with note mappingChord and scale generation algorithms
📚 Education
(1)
free
7
Easy Music - Give kids an ear for music
Easy Music - Give kids an ear for music
Easy Music - Give kids an ear for music
by EDOKI ACADEMY
$3.99

This app introduces children aged 5 and up to musicality through a nature-inspired game. Kids learn to recognize notes, pitch, rhythm, and melody by playing with instruments and composing music in an interactive environment. It offers a fun, intuitive approach to developing a foundational understanding of music.

Recognize notes, pitch, rhythm, and melodyInteractive sand castle musical playgroundPractice Mode and Compose Mode
📚 Education
(36)
free
8
Learn music theory with Sonid
Learn music theory with Sonid
Learn music theory with Sonid
Music theory for everyone!
Free

Learn music theory with a structured, subject-focused approach. Master notes, intervals, chords, and scales through interactive lessons, quizzes, and exercises. Expand your musical knowledge and refine your skills.

Learn individual musical subjectsAnswer questions about learned topicsExercise notes, intervals, chords, scales
📚 Education
(212)
free with in-app purchases
9
Chordi
Chordi
Chordi
Chords and harmony, made easy!
Free

Explore music theory and create chords effortlessly with this intuitive app. It offers various modes for beginners and experienced musicians to spark creativity and build musical ideas without barriers. Supports MIDI input/output and offers customizable sound engines.

Effortless chord creationKey and Free Modes for guidanceReplay Mode for non-intimidating looping
🎵 Music
(5)
free
10
Teoria
Teoria
Teoria
Music Theory Train and Learn
Free
📚 Education
(0)
11
Semitone - Music Education
Semitone - Music Education
Semitone - Music Education
Music Theory & Reference
Free

Learn music theory with interactive challenges and comprehensive reference materials for piano and guitar. Test your knowledge of chords, scales, and progressions through engaging exercises and easily accessible diagrams.

Interactive chord progression challengesInteractive scale completion challengesNote, interval, chord, and scale identification
🎵 Music
(12)
free
12
Music Theory Tests
Music Theory Tests
Music Theory Tests
Preparation for your music
Free

Prepare for music theory exams with an efficient online learning experience. This app combines interactive testing, instant feedback, and learning resources to help students of all ages achieve success.

Interactive testingInstant feedbackLearning resources
📚 Education
(13)
free with in-app purchases
13
Treble - Learn Music Theory
Treble - Learn Music Theory
Treble - Learn Music Theory
Learn Music Theory
Free

Master music theory with engaging lessons, interactive quizzes, and fun mini-games. This app makes learning accessible for beginners and experienced musicians alike, covering topics from scales to harmony. Unlock your musical potential with a practical and enjoyable approach to theory.

Bite-sized lessonsInteractive quizzesMini-games for practice
📚 Education
(13)
freemium
14
Tonehabit: Learn Music Theory
Tonehabit: Learn Music Theory
Tonehabit: Learn Music Theory
Intervals, Chords & Scales
Free

Master music theory fundamentals with daily 10-minute practice sessions. Train your ears and fingers to recognize intervals, chords, and scales through repetition and feedback. Ideal for songwriters, improvisers, and musicians looking to improve their playing.

Ear and finger training for music theoryDaily 10-minute practice sessionsProgress tracking
🎵 Music
(1)
free
15
Music Theory Advanced •
Music Theory Advanced •
Music Theory Advanced •
Advanced Musicianship Tests
$4.99

This app tests advanced musicianship skills in areas like notes, key signatures, intervals, chords, and rhythms. It features an ear training mode and a customizable rhythm section. Save and print your results with the built-in grade book.

Notes and piano keyboard knowledgeKey signatures and diatonic modesInterval and chord ear training
🎵 Music
(9)
paid
16
Talented: Music Learning App
Talented: Music Learning App
Talented: Music Learning App
Easy Music Lessons For Newbies
Free

Master music theory and develop essential skills like ear training and notation through engaging, game-like daily lessons. Track your progress, earn achievements, and compete with other learners on your path to musical proficiency.

Daily 10-minute lessonsMusic theory masteryEar training and notation
📚 Education
(50)
free with in-app purchases
17
Music Tool LE
Music Tool LE
Music Tool LE
by TheWay, Ltd.
Free

Explore a vast library of musical scales and chords from around the world. Tap notes and chords to hear their sound, experiment with different keys, scales, and modes, and visualize musical theory concepts.

Vast library of 63 scalesExplore modes and their associated chordsTap notes and chords to hear sounds
🎵 Music
(1)
free with in-app purchases
18
DK Help Your Kids With Music
DK Help Your Kids With Music
DK Help Your Kids With Music
by Dorling Kindersley
Free

This app provides audio examples to help children understand music theory concepts. It covers melody, rhythm, harmony, scales, and more, aligning with exam preparation up to grade 5. It's a companion to a book, offering clear explanations for parents and kids.

Music theory explanationsAudio examples for learningCovers melody, rhythm, harmony
📚 Education
(3)
free
19
Music Theory Basics •
Music Theory Basics •
Music Theory Basics •
Basic Musicianship Tests
$3.99

Learn and test your knowledge of music theory concepts including notes, key signatures, intervals, chords, and rhythms. Save and print your quiz results with a built-in grade book.

Tests notes, key signatures, intervals, chords, and rhythmsSupports multiple clefs (Treble, Alto, Tenor, Bass)Customizable quiz options
🎵 Music
(6)
paid
20
Music Theory Pro
Music Theory Pro
Music Theory Pro
by Joel Clifft
$4.99

Master music theory and ear training with interactive exercises. Identify notes, chords, scales, and tempos to improve your musical skills. Suitable for beginners and advanced musicians alike, with customizable difficulty levels.

Note naming gamesKey signature identificationInterval ear training
🎵 Music
(49)
paid

FAQ about Kids Music Theory

What are the best kids music theory apps for iPhone?
Music Theory 101: Study Course tops our kids music theory apps ranking as of July 2026, with a 4.6-star average from 28 App Store ratings, and it's free to download.
Yes — 15 of the top kids music theory apps we rank are free to download, including Music Theory 101: Study Course and Music Theory by Justin Guitar.
Music Theory 101: Study Course has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 241+ kids music theory apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides an interactive course on the fundamentals of classical music theory. It covers topics like pitch, rhythm, scales, chords, harmony, and composition, designed to match the curriculum of the AP Music Theory exam.
The app features over 90 different exercise types to test core knowledge. These include aural recognition, melodic and harmonic dictation, and various composition exercises for single, two-voice, and four-part writing.