Frets helps you learn which notes you're playing on the guitar fretboard by quizzing you for 60 seconds at a time.
Improve your fluidity and speed identifying notes up and down the guitar neck and compare scores with your friends.
Watch your skills improve over time. Just a few minutes a day will improve your knowledge of the guitar fretboard and make it easier to figure out which notes you're playing.
A 22 fret guitar neck with 6 strings carries 132 possible notes. Learn them all intuitively by heart by playing Frets.