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Harmonia vs music21

Harmonia

8.0#1 in music theory software$20.95 one-time
Free planAndroidiOSWebmacOS
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music21

6.7#6 in music theory softwareFree plan
Free planWebLinuxmacOSWindows
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What both publish

FactHarmoniamusic21
PurposeHarmonia is an educational service providing an online music-theory learning and teaching environment for music teachers, students, and enthusiasts.music21 is a Python-based toolkit for computer-aided musicology.
SupportStudent and teacher pages direct users to support documentation or [email protected] for questions.The community mailing list offers help, while paid consulting is available at rates that vary by project.

Harmonia plans

  • Free practiceFree
  • Classroom Connect up to 4 weeks$20.95, paid once
  • Classroom Connect — up to 4 weeks$20.95, paid once
  • Classroom Connect up to 6 weeks$22.95, paid once
  • Classroom Connect — up to 6 weeks$22.95, paid once
  • Classroom Connect up to 8 weeks$24.95, paid once

music21 plans

  • music21Free

Pick Harmonia if…

Harmonia suits music teachers and learners working on basic, AP, IB, or college-level music theory. It also fits students who want immediate feedback while composing or teachers who need course and grading tools.

Pick music21 if…

music21 suits musicologists, programmers, composers, performers, and music enthusiasts who can work with Python. It is useful for symbolic-score analysis, notation workflows, music education, and computational composition across desktop or web environments.

Charts they share