Fretbop - Guitar Chords&Scales

Jazz on your fretboard: chords, scales, and progressions you can see, finger, and hear. From ii-V-I to tensions and rootless voicings. Guitar and bass, all 12 keys.

A reference app for jazz guitar chords, scales, and progressions: see where to press, how to finger it, and hear it.

More than tables and notation. The fretboard diagram shows exactly what to hold, and a tap plays it back. From ii-V-I to tensions and rootless voicings, it's packed with the shapes you actually comp with.

Chords (18 types)

• From maj7, m7, and 7 to tensions and altered: 9th, 13th, 7b9, 7#9, 7#11, m11, and more
• 6th-, 5th-, and 4th-string root voicings, plus rootless voicings
• Toggle between note names and finger numbers
• All 12 keys

Scales (17 types)

• The right scales for each chord (Ionian, Lydian b7, Altered, Diminished, Whole Tone, Pentatonic, Blues, and more)
• View them in multiple positions up the neck

Progressions

• ii-V-I (major / minor), I-vi-ii-V, iii-vi-ii-V
• Voice leading picks nearby shapes so the chords connect smoothly
• Tap PLAY to hear the progression

Instruments

• Guitar and bass

More

• Light and dark themes
• English and Japanese
• VoiceOver support
• No ads, no account, no data collection, works offline

Bebop, on your fretboard.