D'Addario & Company, Inc.

*** Now offering the Buzz Feiten Tuning System available via in-app purchase! *** D'Addario TuneUp is the quintessential digital tuner for iPhone brou …

Scale Wizard is a complete guitar scale and arpeggio library brought to you by D'Addario & Company, Inc., the world's largest manufacturer of musical …

Newly updated to support the vibrant, richly detailed graphics of the Retina display, Guitar Tools is the ultimate hand-held utility kit for guitar pl …

Chordmaster is the quintessential hand-held guitar chord library brought to you by D'Addario & Company, Inc., the world's largest designer, manufactur …

Newly enhanced and redesigned by the minds at Audiofile Engineering (creators of Chordmaster and FiRe - Field Recorder), ProTempo is the quintessentia …

Newly updated to support the vibrant, richly detailed graphics of the Retina display, D'Tools (formerly Guitar Tools) is the ultimate hand-held utilit …

Newly enhanced and redesigned by the minds at Audiofile Engineering (creators of D'Chords and FiRe - Field Recorder), D'Tempo is the quintessential di …

*** Now offering the Buzz Feiten Tuning System available via in-app purchase! ***D'Addario D'Tune is the quintessential digital tuner for iPhone broug …

D'Scales is a complete guitar scale and arpeggio library brought to you by D'Addario & Company, Inc., the world's largest manufacturer of musical inst …

D'Chords is the quintessential hand-held guitar chord library brought to you by D'Addario & Company, Inc., the world's largest designer, manufacturer …