A simple react-native mobile application helping to learn the fretboard notes and positions.
It has currently 2x2 modes. Guess the correct note by given string and fret. Guess the correct fet by given string and note.
Each of these modes can be used while typing the correct answer or it will automaticily show the result over a specified period of time. The typing mode can be used when you are without a guitar the the time mode can be used with a guitar.