OpenFret Guitar Tuner

OpenFret Guitar Tuner is a fast, accurate, and completely free tuner designed for guitar players. Lightweight and easy to use, it helps you tune your 6-, 7-, or even 8-string guitar in seconds whether you're practicing at home, rehearsing with a band, or performing live.

With support for iPhone, iPad, and Apple Watch, OpenFret Guitar Tuner keeps your instrument perfectly in tune wherever you are.