Fretwise: Guitar Theory
Guitar theory you can see, hear, and play — right on the fretboard.
Fretwise turns guitar theory into something you can actually see, hear, and play — right on the fretboard.
Whether you're learning your first scale or mapping out CAGED chord shapes across the whole neck, Fretwise shows you exactly where every note lives, lets you hear it with a realistic plucked-string sound, and helps you turn theory into muscle memory.
Fretwise is built for real practice, not just reference: every diagram is tap-to-play, every position box teaches you the CAGED system the way working guitarists actually use it, and every scale shows you both the notes and the theory behind them.
Fretwise Unlimited
Unlock every scale, chord, and practice tool for life with a single purchase — no subscriptions, and ads removed for good.
What it does
- 20+ Scales & Modes — major, natural & harmonic minor, all 7 diatonic modes, pentatonic & blues scales, melodic minor, and exotic scales like Hungarian Minor and the Altered Scale
- Interactive fretboard diagrams with CAGED position boxes (Standard or Compact framing)
- 21 chord voicings — triads, 7ths, suspended and extended chords, across all 5 CAGED positions
- Audio preview on every note, chord, or full scale — no guitar required
- Songwriter Handbook — diatonic degree chords for every key, with mood and tension filters
- 51 genre practice loops — rock, blues, jazz, and classical styles
- 7 tunings supported — Standard, Drop D, Half-Step Down, D Standard, Open D, Open G, and DADGAD