Visualise scales across the fretboard with tonic-based intervals, notes, degrees, compatible chords, and 3NPS position maps.
Hear the selected scale, the current 3NPS position, or the interval focus against the tonic/root.
Search or isolate one interval. The tonic/root always stays visible so you can clearly see the interval relationship across the fretboard.
High E on top, low E on bottom. Open-string notes sit before the nut. Swipe sideways on mobile.
Swipe left/right inside the fretboard box.
If you want to fully connect scales, chords, and the entire fretboard into one system:
👉 Explore the Fretboard Mastery Course