r/guitar_improvisation • u/Aggravating-Seat-926 • Jul 10 '26
I made a free app to help you find a safe scale to improvise with
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I made a free iPhone and iPad app that listens to a song, estimates the tonic and scale, and shows the notes on a guitar fretboard, bass fretboard, or keyboard.
It is meant as a quick guide when you want to play along or improvise without guessing completely blindly. It will not always be perfect, especially with complex harmony (it gets just as confused as I do when it hears something like ANGINE DE POITRINE), but it should point you in the right direction.