Test yourself with an endless supply of note flashcards. As soon as you answer, a new note appears.

Statistics are compiled on a note-by-note basis. Learn which notes you struggle with, and then enable the adaptive mode to practice those notes more often.

Newly rewritten to take advantage of the widest array of iOS devices, Clef Cards now includes iPad support.

In addition to the four basic clefs, six historic clefs are available for purchase. Positive progress grants access to 60 collectible composer quotes.