Intervals
Gaps will play intervals, show their root note position on the fretboard and wait for you to play them back.

Gaps is an ear training tool for guitarists. It uses your guitar as an input, so you will train both your ear and your fretboard visualization skills simultaneously.
Gaps will play intervals, show their root note position on the fretboard and wait for you to play them back.
Gaps will play a drone note and then scale degrees on top of it. You'll need to recognize the sound of each degree and play it anywhere you can find it on the fretboard.
Gaps will play a short succession of notes and you'll need to play them back correctly.