This app is a guitar tuner, which gonna help you to tune a six-string guitar, twelve-guitar and also ukulele. There is the possibility of setting six-string guitar in a variety of guitar tunings: - Classic (EBGDAE); - C#/Db; - Drop (B, C, D, ..); - Open (G, D. ..); - DoubleDropD; - DADGAD, DADDAD, ...; - Crafty Tuning; - Alternative Cross A (Sitar A).</br></br></br></br></br></br></br>