Pass on this one
App hasnt been updated in quite sometime. No landscape mode, very ssssllllllloooooooowwwwwwwwwww(iPhone5), scales and arpeggios only play 3 notes, alternate tunings lack baritone and chords show in standard tuning only. Waste of good money and my time.
BrandoneusRex about
Guitarist's Reference, v5.4