HomeAppsMusic & AudioMusic Theory CompanionApps like Music Theory Companion Here are some great alternatives to Music Theory Companion by PG App Studio : MyMusicTheory - music theory β 4.7 Piano Chord, Scale, Progressio β 4.7 s.mart Circle of Fifths β 4.6 Negative Harmony - Simplified β 3.5 Circle of Fifths β 4.9 Music Theory Helper β 4.4 Scale, Chord Progressions β 4.7 All Chords - All Scales β 3.5 BComposer Scales β 4.0 MyEarTraining - Ear Training β 4.7 Musical Chord - Music Theory β 4.6 smart Chords: 40 guitar toolsβ¦ β 4.7 Complete Ear Trainer β 4.6 s.mart UNL:MITED β 5.0 Music Theory Tools: Music Guru β 4.1 Piano Chords and Scales β 4.0