Explore chord diagrams for all music instruments. Select a key, chord type, and addition to view possible chord variations. Adjust settings to customize display options. Save and share chord progressions.
by Max Schlee★ 4.26 ratingsMusicFreeData updated 2026-09-11
The app provides music theory tests on notes, key signatures, intervals, chords, and rhythms. It includes an ear training mode and a grade book for saving and sharing results.
Tune using a with ±0.1 cent precision. Match generated tones to tune by ear. Display large notes for clear visualization. Support for acoustic and electric .
