Memorize the diatonic chords in each musical key with these flashcards.
The app lets you choose which key you are trying to learn and then will prompt you with the chord numbers in that key (e.g. II or VI). You can guess what the right chord in that key is and check if you are right by flipping the card.
With a little bit of practice, youll have the chords in each key memorized in no time!