HomeAppsMusic & AudioMusic Theory CompanionApps like Music Theory Companion Here are some great alternatives to Music Theory Companion by PG App Studio : Scale, Chord Progressions ★4.7 Musical Chord - Music Theory ★4.6 MyMusicTheory - music theory ★4.6 Piano Chord, Scale, Progressio ★4.7 Music Theory Tools: Music Guru ★4.1 Music Theory Helper ★4.4 Piano Chords and Scales ★4.1 smart Chords: 40 guitar tools… ★4.7 Negative Harmony - Simplified ★3.4 Oolimo Guitar Chords ★4.7 s.mart UNL:MITED ★5.0 s.mart Circle of Fifths ★4.6 BCOMPOSER SCALES ★4.1 Guitarist's Reference Pro ★3.5 Guitar Fretboard: Scales ★4.8 All Chords - All Scales ★3.5