Piano Chords Compass App, 

shows more than 2500 chords for piano in HD! 

DESCRIPTION: Find the perfect chord voicing for your songs on the piano!
Thanks to a specially developed algorithm, the app can show you more than 2500 chords. Simply select a chord root on the left, chord type in the middle, the chord type addition on the right, and explore the chords with “Piano Chords Compass”!