JustinGuitar Note Trainer のアプリ分析 11月3日

Most guitar players never properly learn the notes on the fretboard. We memorize shapes. We guess. And it works—until we try to improve. That’s when we hit a wall. JustinGuitar Note Trainer helps us learn the guitar fretboard fast, in just 5 minutes a day. No diagrams. No memorizing charts. Just simple, focused exercises that help us actually know the notes.