ScaleForge : Guitar Theory transforms the way guitarists understand and visualize music theory. Whether you're a beginner finding your first scales or an advanced player exploring exotic modes, ScaleForge puts the entire fretboard at your fingertips. VISUALIZE YOUR FRETBOARD See scales, intervals, and chord shapes mapped directly onto an interactive fretboard. Instantly understand where every note lives and why it belongs there. FEATURES • All Scales — Major, minor, modes, pentatonic, exotic, and more across the entire neck • Circle of Fifths — Visual key relationships and chord navigation to unlock harmonic understanding • Interval Display — See intervals directly on the fretboard for deeper music theory insight • Interval Calculator — Calculate the interval between any two notes instantly • Chord Progressions — Common progressions in any key with one tap • 7th Chords — Full diatonic seventh chord views for jazz, blues, and beyond • Ideas — Save and revisit your favorite scales, positions, and discoveries Whether you're practicing, composing, or just exploring — ScaleForge : Guitar Theory is the theory companion every guitarist needs.