Chords and scales for 7 strings guitar players
Everything works as well for the Guitar with 7 strings.
In the options page choose 7 strings Guitar and everything is shown on a wide 7 strings fretboard
Choose 7 strings Guitar fretboard as default:
C major arpeggio shown on 7 strings guitar fretboard:
C major chord on 7 strings guitar fretboard (5th position):