Scales Pro: Circle of Fifths

Scales Pro: Circle of Fifths is an interactive music theory practice tool featuring a Circle of Fifths wheel, chord charts, scale diagrams, and a precise metronome. Color-coded visuals show major/minor relationships and key signatures for guitar, piano, and bass, with no internet required.

Swipe to explore all 12 keys, tap notes to hear them, and access scales and modes (Major, Natural Minor, Harmonic Minor, Pentatonic, Blues, and all seven modes). The chord library generates instant shapes for any key, and color-coded diagrams aid quick learning across instruments. Ideal for guitarists, pianists, students, songwriters, and anyone mastering theory offline.