See the whole fretboard, finally
Fretly shows you every scale, mode, chord type and voicing — on an interactive fretboard with sound. Precise enough to teach from, fast enough to noodle on.
What you get
🎸 Every scale and chord, visual
Scales, modes, chord types, voicings, arpeggios and fingering systems — drawn on the fretboard, in any key, any tuning. Click anything to hear it.
🧠 Theory that clicks
Circle of fifths, intervals, formulas and relationships — connected to the fretboard instead of floating on paper.
📚 Your practice library
Save boards into suites and collections, build diagram sheets, and export clean printable PDFs for practice or students.
Simple pricing
Free gets you a real taste — core scales and chords with sound, plus your own collections. Member unlocks everything for €5/month — a founding price for early birds, rising as features land. Full details on the pricing page.