Harmonia

Overview

Harmonia covers basic theory instruction through college-level, AP, and IB teaching. Students can work with interactive exercises and receive feedback while composing, while teachers can organize coursework and assessment through an online dashboard. Playback, MIDI support, advanced notation tools, harmony tools, and progress tracking give the service a broader scope than a course portal alone.

The browser version supports Chrome, Firefox, Edge, and Safari, including Chrome on Chromebooks. Harmonia also runs on Windows, macOS, iOS, and Android, so it can serve mixed-device classes.

Key features

Notation analysis and assessment

Harmonia’s analysis engine reads written music in real time and flags issues such as parallel fifths, poor spacing, and unresolved sevenths. That gives students specific feedback during composition rather than leaving every correction to a teacher. Automatic test grading can reduce routine marking, and graded feedback goes to Harmonia’s cloud server for teacher review.

Coursework and teaching materials

The dashboard brings courses, assignments, tests, grades, due dates, timed practices, and class statistics into one place. Teachers can draw on a library of hundreds of lessons and exercises, plus assignment generators for AP-congruent and advanced college material. They can build course materials with in-app score generators or import MusicXML scores.

Teacher accounts include access to all 371 Bach chorales, rather than a selection of 10, alongside score generators. Notation playback and the ability to embed audio or video files and links in lessons help teachers incorporate listening material, though the service’s main emphasis remains written theory and assessment.

Pricing

Free practice costs 0.00 USD per free and includes independent practice with advanced analyzing and feedback features. It is the natural fit for self-directed learners, but it does not include the course homework assignments and worksheets sold through Classroom Connect.

Classroom Connect is billed once per student, with the course period determining the price: up to 4 weeks costs 20.95 USD per once; up to 6 weeks, 22.95 USD per once; up to 8 weeks, 24.95 USD per once; up to 12 weeks, 28.95 USD per once; up to 16 weeks, 34.95 USD per once; up to 21 weeks, 44.95 USD per once; up to 42 weeks, 74.95 USD per once; and up to 52 weeks, 84.95 USD per once. Each period includes course homework assignments and worksheets. Teachers should account for the per-student charge when choosing a course length.

Testing Only uses custom pricing: single-exam pricing is determined at the end of the testing period, while rolling exams are calculated annually and charged every 3 months.

Platforms

Harmonia is available on web, Windows, macOS, iOS, and Android. The browser option works in Chrome, Firefox, Edge, and Safari, including Chrome on Chromebooks.

Who it's for

Harmonia is best suited to music teachers managing structured theory courses and students who need feedback on written work, assignments, and tests. Its AP, IB, college-level, and basic-instruction positioning makes it useful across a wide teaching range. Independent learners can use Free practice for analysis and feedback, but should weigh that against the more focused self-study options in this category.

Pros and cons

Pros

• Specific composing feedback: real-time checks for theory and spacing problems can help students correct work as they write.
• Connected teaching workflow: assignments, grades, tests, due dates, timed practice, and class statistics share a dashboard.
• Substantial teacher resources: hundreds of lessons and exercises, assignment generators, MusicXML import, and all 371 Bach chorales support course preparation.
• Flexible course periods: Classroom Connect spans short courses through periods of up to 52 weeks, with one-time per-student pricing.

Cons

• Classroom access costs per student: even the shortest Classroom Connect period costs 20.95 USD per once, which may be a poor fit for a class that only needs occasional testing.
• Free practice is not the classroom plan: independent learners get analysis and feedback, while course assignments and worksheets require Classroom Connect.
• Teacher tools are most useful in structured instruction: self-study learners may find the dashboard and course-management features unnecessary.

Alternatives

For a broader comparison, browse Music Theory Software. note-noodle is worth considering for ear training: its free plan allows 10 ear-training sessions a day and three personal Play Along uploads a month, with the first four lessons available without an account. Choose MyMusicTheory if more than 100 free exercises on Android, iOS, or macOS suit your needs better than Harmonia’s course-centered tools.

Study Music Theory offers a free full course and all eight trainers without ads or paywalls, making it a strong alternative for learners who want a self-contained course rather than teacher-managed classes. Complete Rhythm Trainer is another option in the category. Musition is a paid alternative with a free trial; its listed six-month student plan costs 25.00 USD per once and requires a School Code and PIN. MusicTheory.net has a free plan and supports web and iOS. ABRSM Music Theory Trainer is a paid option for iOS and Android. Musicca is free and available on web, iOS, and Android.

Verdict

Choose Harmonia if you teach music theory or are enrolled in a course where real-time score analysis, automatic grading, and organized assignments all matter. Its teacher resources and course dashboard make it a more complete fit for structured instruction than a practice-only tool. Look elsewhere if you want self-study alone or need classroom access without a per-student course charge.