EyeOnian™

Explore & visualize harmony

Only for Mac

Free · In‑App Purchases

Mac

Explore a lifetime of harmony: browse every mode, analyze your own chords in real time, and see them in different forms of notation — all in one place. Explore a lifetime of harmony. EyeOnian is an interactive tool for exploring and visualizing harmony and scales — a single place to see how music theory fits together and to make it your own. Browse a complete, comprehensive library of modes and the constructive harmony each one is built from. Feed in your own harmonic ideas and watch EyeOnian analyze them in real time. See your harmony rendered across four clefs, plus keyboard and fretboard diagrams — then save, share, and recall any visualization you create. WHAT YOU CAN DO - Explore every mode — Browse a comprehensive library of scales and modes and see the harmony beneath each one. - Analyze in real time — Enter your own harmony and get instant, visual analysis. - Read it your way — Notation visualization which supports a wide range of instruments' needs. - Save, share & recall — Keep any visualization, share it, and bring it back whenever you need it. WHO IT'S FOR Musicians, students, composers, and teachers who want to exchange & understand harmony more deeply — whether you're learning your first modes or mapping advanced ideas. Try it free in demo mode, then unlock everything with a single one-time purchase — no subscription.

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The developer, Music Solutions LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

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    Information

    Seller
    • Music Solutions LLC
    Size
    • 14.5 MB
    Category
    • Music
    Compatibility
    Requires macOS 26.3 or later.
    • Mac
      Requires macOS 26.3 or later.
    Languages
    English and 3 more
    • English, French, German, Spanish
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © 2026 Music Solutions LLC
  • Developer Website
  • Privacy Policy