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).