Norihiro hanazono releases Quick check PianoChords v1.1
iPhone, iPad / Education / Chords and Scales: Can be quickly confirmed when needed, it is piano chords table app. By touching the keyboard part, you can also check the actual sound. Please use means for playing and composers.
www.440audio.com/en/software/vi78307-norihiro-hanazono-Quick-check-PianoChords/