The app replicates the Hohner Cajun IV diatonic accordion with a responsive fingerboard. It plays in C, A, Bb, D, and G, offering treble and bass/chord sides for practice.
Track practice sessions with history and statistics. Log todos and tags for organization. Record audio sessions. Use metronome and tuner for practice. Save and review recordings.
The app offers a tone generator with five tones and a tuner with three display modes. It includes twenty-three default temperaments and allows users to add their own, with easy selection between flats and sharps in meantone temperaments.