Freedom251 › Music Theory Software
Harmonia
What Harmonia is
Harmonia is an online music-theory learning and teaching service for students, teachers, and enthusiasts, including college-level, AP, IB, and basic instruction. Its analysis engine reads written music and gives feedback during composition on issues such as parallel fifths, spacing, and unresolved sevenths. Students can receive immediate feedback, and tests can be graded automatically. The teacher dashboard covers courses, assignments, tests, grades, due dates, timed practice, and class statistics. Teachers have a library of hundreds of lessons and exercises, assignment generators for AP-congruent and advanced college material, and tools to create scores or import MusicXML. Notation can be played back, and lesson materials can include audio or video files and links. Teacher accounts include all 371 Bach chorales; graded feedback is sent to the cloud for teacher review. Free practice is available. Classroom Connect costs $20.95 per student for up to 4 weeks, rising to $84.95 per student for up to 52 weeks. Harmonia supports web, Windows, macOS, iOS, and Android.
Who it suits
Harmonia suits music-theory students and teachers, including those working in college-level, AP, IB, or basic instruction. Teachers can use its course management, assignment tools, and automatic grading.
What it does well
- Free independent practice is available.
- Analysis gives feedback while students compose.
- Teachers can import MusicXML scores.
- Available across web, desktop, and mobile platforms.
What to know first
- Classroom Connect is priced per student.
- Graded feedback is sent to a cloud server for teacher review.
Limits
The free Free practice plan is for independent practice. Classroom Connect plans cover course homework assignments and worksheets for a selected duration, from up to 4 weeks at $20.95, paid once to up to 52 weeks at $84.95, paid once, billed per student.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Free practice | free practice use · independent practice · analysis and feedback features | Free |
| Classroom Connect — up to 4 weeks | per student · course homework assignments · worksheets · up to 4 weeks | $20.95, paid once |
| Classroom Connect up to 4 weeks | per student · course length up to 4 weeks · homework and worksheets | $20.95, paid once |
| Classroom Connect up to 6 weeks | per student · course length up to 6 weeks · homework and worksheets | $22.95, paid once |
| Classroom Connect — up to 6 weeks | per student · course homework assignments · worksheets · up to 6 weeks | $22.95, paid once |
| Classroom Connect up to 8 weeks | per student · course length up to 8 weeks · homework and worksheets | $24.95, paid once |
| Classroom Connect — up to 8 weeks | per student · course homework assignments · worksheets · up to 8 weeks | $24.95, paid once |
| Classroom Connect — up to 12 weeks | per student · course homework assignments · worksheets · up to 12 weeks | $28.95, paid once |
The first 8 of 18 plans, as harmonia.cloud lists them, read 15 Oct 2026. The maker's own page has the final word. Every plan
Getting started
- Open https://harmonia.cloud/ in a supported browser or use a supported platform.
- Choose free independent practice or a Classroom Connect course length.
- For a Classroom Connect course, select the option matching the course duration; its price is billed once per student.
- Teachers can create scores in the service or import MusicXML scores to build course materials.
Overview
Harmonia is a music-theory learning and teaching service built around written-score analysis and course assessment. It suits teachers who want student composing work, assignments, and grading in one online workspace; independent learners can use its free practice plan. Its strongest case is guided study with immediate notation feedback, rather than a general-purpose music-learning app.
Key features
Score 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. Students get feedback while composing, and tests can be graded automatically. That combination can help instructors give students timely, specific direction while reducing routine grading; it is most relevant to notation-based theory work, not practice that does not involve written scores.
Graded feedback is sent to Harmonia’s cloud server for teacher review. Teachers can play back notation and embed audio or video files and links in lessons, connecting score work with listening materials.
Course tools and teaching content
The dashboard brings together courses, assignments, tests, grades, due dates, timed practices, and class statistics. Teachers also get a library of hundreds of lessons and exercises, assignment generators for AP-congruent and advanced college material, and score generators. MusicXML imports let teachers bring scores into course materials. Teacher accounts include all 371 Bach chorales, rather than the 10 available otherwise.
Interactive exercises, advanced notation and harmony tools, MIDI support, and progress tracking round out the learning environment. The feature set is substantial for theory instruction, though its course dashboard and teacher resources matter less to someone looking only for occasional self-study.
Pricing
Free practice costs nothing and provides independent practice with advanced analysis and feedback features. It is the natural starting point for learners studying on their own, but it does not include the stated course homework assignments and worksheets of Classroom Connect.
Classroom Connect is billed once per student, with course homework assignments and worksheets for the selected course duration:
- Up to 4 weeks: $20.95, paid once
- Up to 6 weeks: $22.95, paid once
- Up to 8 weeks: $24.95, paid once
- Up to 12 weeks: $28.95, paid once
- Up to 16 weeks: $34.95, paid once
- Up to 21 weeks: $44.95, paid once
- Up to 42 weeks: $74.95, paid once
- Up to 52 weeks: $84.95, paid once
Choosing a longer course means a higher one-time charge per student, so instructors should match the duration to the course rather than assume a recurring subscription. Testing Only uses single-exam pricing determined at the end of the testing period; rolling exams are calculated annually and charged every 3 months. That option may fit exam-focused use, but its custom pricing makes the cost harder to plan in advance. A free trial is offered.
Platforms
Harmonia supports web, Windows, macOS, iOS, and Android. Its browser version works in Chrome, Firefox, Edge, and Safari, including Chrome on Chromebooks, giving students options across common desktop and mobile platforms.
Who it's for
Harmonia is best suited to music teachers working with basic, AP, IB, or college-level theory, especially when they want score analysis, assignment management, and assessment together. Students benefit most when a teacher uses its courses and feedback workflow. Independent learners can use Free practice, but those seeking only a focused ear-training or rhythm app may find the teaching-oriented feature set unnecessary.
Pros and cons
- Pros: Real-time feedback identifies concrete notation and harmony problems, helping students correct work as they compose.
- Pros: Automatic grading, class statistics, and course management bring assessment and administration into the same dashboard.
- Pros: Hundreds of lessons and exercises, score generators, MusicXML import, and the full Bach chorale collection give teachers substantial material to build courses.
- Cons: Classroom Connect charges per student, and the cost rises with course length; this is a material consideration for longer classes.
- Cons: Free practice is for independent use, while course homework and worksheets are tied to paid Classroom Connect.
- Cons: Testing Only pricing is determined after the testing period, which makes advance budgeting less straightforward.
Alternatives
For a broader comparison, browse Music Theory Software. Choose Complete Rhythm Trainer instead if you are comparing freemium music-learning options and its available details suit your needs. note-noodle is worth considering for free ear-training sessions and a limited number of Play Along uploads each month. Pick muted.io if you want a one-time desktop purchase with 23 interactive music tools across Mac, Windows, or Linux.
MyMusicTheory may suit learners who want more than 100 free exercises on Android or iOS. music21 is a free alternative for users looking for a web, Windows, or macOS option. Musicca is another free choice across web, iOS, and Android. Choose Study Music Theory for a full course and all eight trainers on its free plan, without ads or paywalls. ChordIQ is another freemium option for iOS, Android, and macOS.
Verdict
Harmonia is a strong fit for teachers who want written-score analysis, student feedback, course materials, and grading in one service. Its free independent practice gives learners a way to use the analysis tools without committing to a course, while Classroom Connect prices scale with both student count and course duration. Look elsewhere if you need a narrower self-study tool or want a predictable free course rather than teacher-led coursework.
Verdict
Harmonia pairs interactive music analysis with course and assessment tools for teachers. Independent practice is free, while Classroom Connect pricing varies with course length.
Questions
Is Harmonia free?
Yes. Free practice costs nothing and supports independent practice.
How much does Classroom Connect cost?
Plans are billed once per student: up to 4 weeks is $20.95, paid once; up to 6 weeks is $22.95, paid once; up to 8 weeks is $24.95, paid once; up to 12 weeks is $28.95, paid once; up to 16 weeks is $34.95, paid once; up to 21 weeks is $44.95, paid once; up to 42 weeks is $74.95, paid once; and up to 52 weeks is $84.95, paid once.
Which platforms does Harmonia support?
Harmonia supports web, Windows, macOS, iOS, and Android. Its browser version runs in Chrome, Firefox, Edge, and Safari, including Chrome on Chromebooks.
What can teachers do with Harmonia?
Teachers can manage courses, assignments, tests, grades, due dates, timed practice, and class statistics. They can also use lessons and exercises, create or import scores, and access all 371 Bach chorales through teacher accounts.
Does Harmonia offer a free trial?
Yes, a free trial is available.
Facts from Harmonia's own pages
- Account security
- Users are responsible for keeping passwords confidential and must notify Illiac Software of unauthorized access or other security breaches. · harmonia.cloud, 30 Sept 2026
- Analysis engine
- Its patented analysis engine reads written music, analyzes it in real time, and provides feedback on issues such as parallel fifths, poor spacing, and unresolved sevenths. · harmonia.cloud, 30 Sept 2026
- API and SDKs
- The public documentation describes the user application, cloud LMS and MusicXML import but does not present a public REST API, SDK or developer portal. · support.harmonia.illiacsoftware.com, 15 Oct 2026
- Apple platforms
- Apple’s listing identifies Harmonia as a free education app for iPad and Mac with in-app purchases and a 95 MB size. · apps.apple.com, 15 Oct 2026
- Audience
- Harmonia is presented for college-level, AP, IB, and basic music-theory instruction. · harmonia.cloud, 30 Sept 2026
- Audio and video
- Notations can be played back, and teachers can embed audio or video files and links in lessons. · harmonia.cloud, 30 Sept 2026
- Automatic feedback
- Students receive immediate explanations of notation, harmony and voice-leading errors as they compose. · blog.harmonia.illiacsoftware.com, 15 Oct 2026
- Automatic grading
- The system can automatically grade tests and upload grade reports to a course. · support.harmonia.illiacsoftware.com, 15 Oct 2026
- Bach chorales
- Teacher accounts provide access to all 371 of Bach's Chorales, rather than only 10, along with score generators. · harmonia.cloud, 30 Sept 2026
- Browser support
- The browser version runs in Chrome, Firefox, Edge, and Safari, including Chrome on Chromebooks. · harmonia.cloud, 30 Sept 2026
- Cloud feedback
- Graded feedback is sent to Harmonia's cloud-based server for teacher review. · harmonia.cloud, 30 Sept 2026
- Cloud requirement
- Signing in requires a network connection and sends assignments or grade reports to Harmonia Cloud. · support.harmonia.illiacsoftware.com, 15 Oct 2026
- Company incorporation
- A University of Illinois faculty profile records Illiac Software, Inc. as incorporated in April 2014. · library.illinois.edu, 15 Oct 2026
- Course management
- Teachers manage courses, assignments, practices, tests, due dates, timed work and grades through the online dashboard. · harmonia.cloud, 15 Oct 2026
- Developer identity
- Google Play identifies the developer as Illiac Software, Inc. and lists 4837 Somerset Dr, Riverside, California, United States. · play.google.com, 15 Oct 2026
- Documentation and support
- The support site contains separate teacher and student guides covering notation, assessments, score generators, MusicXML, media and keyboard commands. · support.harmonia.illiacsoftware.com, 15 Oct 2026
- Funding support
- The same university profile says Harmonia entered NSF I-Corps in fall 2014 and received a maximum $225,000 NSF STTR Phase 1 grant. · library.illinois.edu, 15 Oct 2026
- Google Play availability
- The Android listing is rated for Everyone, shows 100+ downloads and was updated February 9, 2026. · play.google.com, 15 Oct 2026
- Initial release
- A JUCE forum announcement dated December 23, 2012 introduced Harmonia’s alpha release and described downloadable builds. · forum.juce.com, 15 Oct 2026
- Licence
- The public pages identify Illiac Software as the copyright and trademark owner and distribute downloadable applications, but do not state an open-source licence. · trademarks.justia.com, 15 Oct 2026
- Limit: cloud dependence for media
- The support documentation says an internet connection is required to view embedded streaming video and hear cloud-hosted streaming audio. · support.harmonia.illiacsoftware.com, 15 Oct 2026
- Limit: desktop file compatibility
- A JUCE forum user reported being unable to open one of the included PDFs in the Windows application during the 2012 alpha. · forum.juce.com, 15 Oct 2026
- Media integrations
- Lessons can embed streaming video from YouTube or Vimeo and teacher media libraries can host audio files. · support.harmonia.illiacsoftware.com, 15 Oct 2026
- MusicXML import
- Teacher documentation includes importing MusicXML scores and converting scores into assessments. · support.harmonia.illiacsoftware.com, 15 Oct 2026
Where Harmonia stands on Freedom251
- Music Theory Software#3 of 27