Best Music Theory Apps

248+ iOS apps curated and reviewed

4.8 avg rating
17 free apps
Updated October 2026

Whether you're new to music theory apps or looking for an upgrade, our curated collection of 248+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Music Theory Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Music Theory 101: Study CourseMusic Theory 101: Study CourseFree4.8★ (71)NoNoNov 2026
2TONALY: Songs, Scales & TheoryTONALY: Songs, Scales & TheoryFree4.8★ (6.4K)NoYesNov 2026
3Waay: Learn music theoryWaay: Learn music theoryFree4.9★ (1.4K)NoYesNov 2026
4MyMusicTheory - Music TheoryMyMusicTheory - Music TheoryFree4.7★ (938)YesYesOct 2026
5EarpeggioEarpeggioFree4.9★ (9.8K)NoNoNov 2026
6Music Theory ExplorerMusic Theory ExplorerFree—NoNoJun 2026
7Music Theory:Cracking the CodeMusic Theory:Cracking the CodeFree—NoNoJul 2026
8MusMagic: Music Theory PlayerMusMagic: Music Theory PlayerFree—YesNoAug 2026

Top Picks for Music Theory Apps

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(71 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.

TONALY: Songs, Scales & Theory#2

TONALY: Songs, Scales & Theory by Christian Hengst Daniels

Chord Progressions & Practice
Strong Contender
🎵 Music
4.8😊(6.4K ratings)
FreeIn-App Purchases
TONALY: Songs, Scales & Theory screenshot 1
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This app helps musicians of all levels write songs, find chords, and learn music theory. It offers tools for chord and scale practice, MIDI and PDF export, and collaboration features for songwriters and producers.

What We Love

  • 👍 Intuitive and easy to use
  • 🚀 Helpful for learning music theory
  • 💡 Useful for songwriting and composing
  • 👍 Clean and visually appealing design
  • 🚀 Convenient for on-the-go music creation

Room to Improve

  • 🔒 Paywall for additional scales and features
  • 🐛 Occasional glitches and crashes
  • 🔒 Limited chord and rhythm customization options
  • 🔒 No ability to change chord voicings or inversions
  • 🔒 Inability to change key or time signature within a song
Waay: Learn music theory#3

Waay: Learn music theory by Ten Kettles Inc.

Perfect for beginners
Worth Considering
📚 Education
4.9😊(1.4K ratings)
FreeIn-App Purchases
Waay: Learn music theory screenshot 1
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This app teaches applied music theory for aspiring musicians. Learn to construct melodies, chords, and progressions through interactive exercises and video lessons. It's designed for both beginners and experienced players to enhance their creative songwriting and instrumental skills.

What We Love

  • 👍 Excellent explanations
  • 🚀 Effective learning process
  • 💡 Intuitive and engaging
  • 👍 Great for beginners
  • 👍 Helpful for improving skills
  • 👍 Thorough and comprehensive
  • 👍 Gamified learning experience
  • 👍 Calming and clear instructor
  • 👍 Practical application of theory

Room to Improve

  • 💰 Expensive subscription
  • 🔒 Limited free content
  • 🐛 Lack of sound feedback in exercises
  • 🐛 Abrupt transition to new concepts

More Music Theory Apps apps to explore

FAQ about Music Theory Apps

What are the best music theory apps for iPhone?
Music Theory 101: Study Course tops our music theory apps ranking as of October 2026, with a 4.8-star average from 71 App Store ratings, and it's free to download.
Yes — 17 of the top music theory apps we rank are free to download, including Music Theory 101: Study Course and TONALY: Songs, Scales & Theory.
Music Theory 101: Study Course has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 248+ music theory apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.