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. Piano Companion has integrated sequencer (Chord Progression) which allows you to listen how chords sound with each other.

Key features:
✓ 1500+ piano chords, up to 6th inversions
✓ 500+ scales
✓ 12 root keys
✓ Chord Progression (chord sequencer for Android only)
✓ Circle of Fifths
✓ List of available chords in Circle of Fifths
✓ Key notations: English, Italian, Japanese, Russian, etc.
✓ Reverse chord & scale lookup
✓ Ability to display chord on the staff
✓ Plays chords
✓ Plays scales
✓ Plays arpeggiated chords
✓ Audio support
✓ Relative scale suggestions
✓ Compatible scale chords
✓ Scale lookup with major & minor scale fingering
✓ Flexible chord & scale search using keyboard
✓ User libraries
✓ Ability to create custom chords for a user library

iPhone/iPod/iPad

Lite: https://itunes.apple.com/us/app/piano-companion-lite-chords/id598574333?mt=8
Full: https://itunes.apple.com/app/piano-companion-chords-scales/id586097063?ls=1&mt=8


ANDROID

Lite: https://play.google.com/store/apps/details?id=com.binitex.pianochords
Full: https://play.google.com/store/apps/details?id=com.binitex.pianocompanion
Videos: http://www.youtube.com/user/binitex?feature=watch