Life & fun · alternatives · 2026

24 alternatives to Solfej

The Best New Way To Learn Music Theory

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Solfej launched in 2019; newer entries below may have overtaken it.

1. 1
   Solfej for iOS▲11

   Master music theory and ear training

   2020 · apps.apple.com · its alternatives →

2. 2
   Scale Search by Solfej▲79

   Searchable library of over 6000 different scales

   2020 · solfej.io · its alternatives →

3. 3
   LightNote▲242

   An interactive site to learn the basics of music theory 🎶

   2016 · lightnote.co · its alternatives →

4. 4
   Chord Search By Solfej▲15

   Searchable database of over 10,000 different chords

   2020 · solfej.io · its alternatives →

5. 5
   muted.io▲128

   Magical collection of tools to learn music & music theory

   2023 · muted.io · its alternatives →

6. 6
   Guitar Dashboard – Open source music theory explorer for guitarists▲590

   A free, open source, music theory explorer for guitarists. Discover how scales and modes map to the fretboard and how chords work within scales.

   2018 · guitardashboard.com · its alternatives →

7. 7
   Ear training using midi.js▲230

   2015 · tonedear.com · its alternatives →

8. 8
   Capo▲133

   Learn your favorite songs without tabs or sheet music

   2021 · its alternatives →

9. 9SM
   Sharp11 – Music Theorization and Improvisation Engine▲113

   2016 · julianrosenblum.com · its alternatives →

10. 10
    Piano Trainer – Learn piano scales, chords and more using MIDI▲203

    🎹 Memorize piano scales with ease! A piano practice program w/ MIDI support. Consider it an interactive reference manual - ZaneH/piano-trainer

    2025 · github.com · its alternatives →

11. 11
    LyricFluent▲69

    Learn Spanish with music

    2022 · lyricfluent.com · its alternatives →

12. 12
    Harmonic Analyzer▲122

    Learn how to play your favorite piano songs using ML

    2022 · nickplee.com · its alternatives →

13. 13
    A small, simple music theory library in C99▲57

    Western music theory library in C. Contribute to thelowsunoverthemoon/mahler.c development by creating an account on GitHub.

    Feb 2026 · github.com · its alternatives →

14. 14
    Melodic Mind▲134

    Intuitive touch-based Mobile DAW with Integrated Music theory. Audio effects & Toolkit. Ear training. Songwriting. Start creating music now.

    Nov 2025 · melodic-mind.com · its alternatives →

15. 15
    PieceKeeper▲88

    Track your music repertoire and practice

    Jul 2026 · getpiecekeeper.com · its alternatives →

16. 16
    Harmopark – Web tool to visually build chords and progressions▲153

    Harmopark is a browser-based music tool that can be used for different purposes, ranging from visually grasping harmony concepts to playing around with chord progressions.

    2019 · harmopark.app · its alternatives →

17. 17
    Univoice▲75

    Learn languages through music

    2020 · apps.apple.com · its alternatives →

18. 18
    Augment▲87

    Learn piano via automated music transcription

    2021 · its alternatives →

19. 19
    Flat for Education▲102

    The best way to teach music to your students

    2015 · flat.io · its alternatives →

20. 20
    Mustud▲61

    App for teaching music theory

    2021 · apps.apple.com · its alternatives →

21. 21
    Music Theory Cheat Sheet▲106

    Keys, scales, chords, notes & intervals - all on one page

    2022 · its alternatives →

22. 22
    Interactive Circle of Fifths▲85

    A simple music theory helper tool

    2022 · muted.io · its alternatives →

23. 23
    Amadeus▲92

    Learn Any Piano Song

    Apr 2026 · playamadeus.com · its alternatives →

24. 24
    Strike a Chord▲90

    Master the piano with this inventive new app 🎹

    2017 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →