This is a useful app to look up piano chords.
It can be used not only for piano but also for guitar and other instruments.
No extra functions, just the chord lookup function!
It looks like a piano keyboard, so even small children who can't read letters can use it with ease.
This app is recommended for chord study and music study!

◼️Supported chords
・Major chord (M)
・Minor chord (m)
・Seventh chord (7)
・Major Seventh Chord (M7)
・Minor Seventh Chord (m7)
・Minor Major Seventh Chord (mM7)
・Sixth Chord (6)
・Minor Sixth Chord (m6)
・Sus four chord (sus4)
・Augmented chords (aug)
・Diminished chords (dim)
・Minor seventh flat whiffs (m7♭5)

◼️How to use ?
(1) Select chord type you want to check and tap it on start screen.
(2) If you select root note of chord you want to check, you can listen to the sound of the chord.