Chordify
7.3#4 in chord finder softwareFrom $2 a monthAndroidiOSWebAPI
VisitChordify suits beginners learning an instrument as well as working musicians who want chord guidance while playing. It supports guitar, ukulele, piano, and mandolin, with mandolin limited to the website and Android app.
Chord Director is for GO:KEYS 3 and GO:KEYS 5 owners who want to load, edit, or create chord patterns from a mobile device. Accessing its pre-made patterns requires a free Roland Account.