Best Kids Music Theory Apps

240+ iOS apps curated and reviewed

4.5 avg rating
17 free apps
Updated September 2026

With an average user rating of 4.5★, the kids music theory category is one of the App Store's strongest. Browse all 240+ apps we track, sorted so the most loved ones surface first.

Compare top Kids Music Theory Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Music Theory 101: Study CourseMusic Theory 101: Study CourseFree4.8★ (64)NoNoSep 2026
2Theory LessonsTheory Lessons$2.994.4★ (126)NoNoSep 2026
3Music Theory by Justin GuitarMusic Theory by Justin GuitarFree4.8★ (376)YesYesSep 2026
4Cadence: Music Theory LessonsCadence: Music Theory LessonsFreeNoYesSep 2026
5Memorize Music TheoryMemorize Music TheoryFreeYesYesMay 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$3.993.9★ (37)NoNoAug 2026
8Music Theory ExplorerMusic Theory ExplorerFreeNoNoJun 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
4.8(64 ratings)
Free
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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
#14in Music
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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
  • 🔍 Comprehensive coverage of music theory

Room to Improve

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

Music Theory by Justin Guitar by Musopia

Guitar Theory, Chords & Scales
Worth Considering
📚 Education
4.8(376 ratings)
FreeAdsIn-App Purchases
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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

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 September 2026, with a 4.8-star average from 64 App Store ratings, and it's free to download.
Yes — 17 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 September 2026.
We track 240+ kids music theory apps on the iOS App Store as of September 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.