HarmoniKeys

Music

$3.99 · Designed for iPad. Not verified for macOS.

Find the best piano chord progressions with optimal voice leading. HarmoniKeys helps you find the best piano chord progressions using optimal voice leading. HOW IT WORKS Select your chords and HarmoniKeys automatically calculates the positions that minimize finger movement between each chord. No more unnecessary jumps on the keyboard! FEATURES - 19 chord types: triads, sevenths, sixths, add9, add11 and more - Smart voice leading algorithm: common tones kept on the same finger, minimum movement - 2 interactive keyboards: left hand and right hand with displayed fingerings - Real-time MIDI audio with General MIDI piano - Built-in metronome with live adjustable tempo - Preset progressions: Canon, Blues, Jazz, Pop and many more - Unlimited chord grid saving - Share grids via QR code - Drag and drop to reorder chords - Configurable notation: Anglo-Saxon or solfege - 3 languages: French, English, Spanish WHO IS IT FOR - Beginner pianists learning proper chord transitions - Advanced pianists seeking optimal positions - Composers experimenting with chord progressions - Music teachers teaching harmony 100% OFFLINE No internet connection required. No data collection. Your music stays private.

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

  • Data Not Collected

    The developer does not collect any data from this app.

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    Accessibility

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    Information

    Seller
    • Yoann SACHOT
    Size
    • 24.8 MB
    Category
    • Music
    Compatibility
    Requires iOS 13.0 or later.
    • iPhone
      Requires iOS 13.0 or later.
    • iPad
      Requires iPadOS 13.0 or later.
    • iPod touch
      Requires iOS 13.0 or later.
    • Mac
      Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 JIXTER
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.