Fretwise: Guitar Theory

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. WHAT YOU GET • 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 — every scale and chord mapped across the full neck, with CAGED position boxes (Standard or Compact framing) so you always know where you are • 21 Chord Voicings — triads, 7ths, suspended and extended chords, shown across all 5 CAGED positions • Audio Preview on Every Note — tap any note, chord, or full scale to hear a realistic plucked guitar tone, no guitar required • Songwriter Handbook — diatonic degree chords (I–vii°) for every key, with mood and tension filters to help you write progressions that actually work • 51 Genre Practice Loops — play along to backing loops inspired by rock, blues, jazz, and classical styles • 7 Tunings Supported — Standard, Drop D, Half-Step Down, D Standard, Open D, Open G, and DADGAD • Favorites — save the scales, chords, and positions you use most 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. Whether you're a beginner learning your first scale shapes or an experienced player filling in the gaps in your theory, Fretwise is the fastest way to actually see the fretboard the way music theory describes it.