Music theory apps for guitar, piano, bass & more

Screenshots of Worship Chords, Chordz, Music Theory Quiz Hero, and Guitar & Bass Scales Explore the apps ↓

Our Apps on the App Store

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Worship Chords app screenshot showing piano modes and chord voicings
Worship Chords app icon

Worship Chords

Piano Theory for Church Musicians

Master every key and lead with confidence. Instant diatonic chord mapping, modes across Major, Melodic Minor, and Harmonic Minor, and quick reference for rehearsals and worship sets.

iPhone & iPad Download on the App Store
Chordz app screenshot showing CAGED guitar chord system on a fretboard
Chordz app icon

Chordz

Guitar Chord Finder · CAGED System

Unlock the fretboard with CAGED shapes, advanced voicings, and interactive interval maps. From open triads to jazz extensions—find the right grip fast.

iPhone & Android
Download on the App Store Get it on Google Play
Music Theory Quiz Hero app screenshot showing quizzes, streaks, and mental practice tools
Music Theory Quiz Hero app icon

Music Theory Quiz Hero

Mental Visualization Exercises

Practice without your instrument. Gamified drills for scales, chords, intervals, and modes—build streaks, level up, and wire theory into your mind’s eye.

iPhone & iPad Download on the App Store
Guitar & Bass Scales app screenshot showing layered scale visualization on the fretboard
Guitar & Bass Scales app icon

Guitar & Bass Scales

Also for Banjo, Mandolin & Dobro

Layer up to three scales at once. Explore pentatonics, modes, blues, and custom shapes across guitar, bass, banjo, and mandolin with interactive fretboards.

iPhone & iPad Download on the App Store