Best Music Theory Piano Apps

249+ iOS apps curated and reviewed

4.7 avg rating
19 free apps
Updated November 2026

Music Theory 101 is the household name in music theory piano, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Music Theory Piano Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Music Theory 101: Study CourseMusic Theory 101: Study CourseFree4.8★ (73)NoNoNov 2026
2Piano Companion: chords,scalesPiano Companion: chords,scalesFree4.8★ (1.3K)NoYesNov 2026
3Piano Chords and ScalesPiano Chords and ScalesFree4.8★ (9.3K)NoYesNov 2026
4MyMusicTheory - Music TheoryMyMusicTheory - Music TheoryFree4.7★ (940)YesYesNov 2026
5Learn Music Notes PianoLearn Music Notes PianoFree4.4★ (5.4K)NoYesNov 2026
6Learn music theory with SonidLearn music theory with SonidFree4.7★ (215)YesYesNov 2026
7BtH - Simply Piano LessonsBtH - Simply Piano LessonsFree—NoYesOct 2026
8Learn & Play PianoLearn & Play PianoFree—NoYesJul 2026

Top Picks for Music Theory Piano

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(73 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.

Piano Companion: chords,scales#2

Piano Companion: chords,scales by Songtive

Chord Finder, Jazz Dictionary
Strong Contender
🎵 Music
4.8😊(1.3K ratings)
FreeIn-App Purchases
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Identify piano chords and scales by playing them on screen or a MIDI keyboard. Explore detailed information including notes, intervals, and fingering. Build chord progressions and discover compatible scales for composition and practice.

What We Love

  • 👍 Useful reference tool
  • 🎹 Extensive chord and scale library
  • 🎨 Visually appealing interface
  • 💡 Reverse chord lookup feature
  • 🔍 Detailed chord and scale information

Room to Improve

  • 🐛 Crashes and stability issues
  • 🔍 Overwhelming amount of information
  • 🔀 Navigation can be confusing
  • 💰 Expensive for full version
  • 🔇 Audio playback issues
Piano Chords and Scales#3

Piano Chords and Scales by Sincere Apps

Learn, play and compose songs
Worth Considering
🎵 Music
4.8😊(9.3K ratings)
FreeIn-App Purchases
Piano Chords and Scales screenshot 1
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Explore chords, scales, and progressions to compose music. Visualize musical structures on a virtual piano and staff, with interactive tools and audio playback. Ideal for musicians of all levels seeking inspiration and understanding.

What We Love

  • 🚀 Great app, great value for money
  • 👍 Useful for learning piano
  • 👍 Helpful for music production
  • 👍 Intuitive and easy to use
  • 👍 Comprehensive chord and scale library
  • 👍 Useful for composing and songwriting

Room to Improve

  • 🐛 Bugs and glitches in desktop and mobile versions
  • 💰 Expensive for full version
  • 🤔 Some features not as intuitive as expected

More Music Theory Piano apps to explore

FAQ about Music Theory Piano

What are the best music theory piano apps for iPhone?
Music Theory 101: Study Course tops our music theory piano apps ranking as of November 2026, with a 4.8-star average from 73 App Store ratings, and it's free to download.
Yes — 19 of the top music theory piano apps we rank are free to download, including Music Theory 101: Study Course and Piano Companion: chords,scales.
Music Theory 101: Study Course has no ads and has no in-app purchases, according to its App Store listing as of November 2026.
We track 249+ music theory piano apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.