Flexible chord and scale dictionary with user libraries, reverse mode and a progression builder.

Use PianoCompanion App

Why Piano Companion

Piano Companion is a flexible chord/scale dictionary with user libraries and reverse mode. Piano Companion allows you to find a chord or scale by its name. If you don't remember what's the name of a chord/scale, it helps you to find it by keys. Piano Companion shows chord/scale notes, degrees, fingering for both hands in major and minor scales. You can listen how a scale or chord sounds. You can see the list of compatible chords in the selected scale. The great advantage of Piano Companion is the fact that it's a growing application, so we will be glad to consider any new features which helps you to increase usability.

  • Dictionary

    Includes 1500+ piano chords and 10000+ scales dictionary.


  • Progressions

    You can experiment with chord progressions by using our progression builder. Patterns will suggest you possible chords.

  • Reverse Mode

    You can find all possible scales or chords by tapping only several keys.


  • Circle of Fifths

    Includes interactive circle of fifths which allows you navigate through scale chords.

  • Localized

    Supports many popular key notations and localized for wide range of languages.

  • Everywhere

    Piano Companion is everywhere: iPhone/iPod/iPad, Android, Amazon Store, Windows Phone 8+, Windows 8.1+

Piano Companion is Everywhere!