Get the world’s most precise free tuning app, Guitar Tuner Guru. Fast and accurate tuning across many instruments including guitar, bass, ukulele, violin, banjo and more. Thanks to your mobile's built-in microphone, tuning your favorite instrument has never been so easy!

Don’t settle for less, download the ultimate guitar tuner today!

Why you'll love it:
- Get perfect tuning anytime, anywhere
- Professionnal accuracy perfectly suited for beginners
- Support for many instruments
- Chromatic tuner included
- Tune by ear with professional instrument samples
- Hundreds of alternative tunings are available
- String detection mode
- Change the reference frequency to get a 432Hz tuner

Guitar Tuner Guru works by analyzing the signal from your smartphone’s microphone. It will work with any string instrument you want with no cable needed. The interface will show you in real-time if you are too sharp or too flat, and react to every changes you make. It’s the perfect guitar app for beginners and pros alike.

List of included tuners:
- Guitar: 6 strings, 7 strings, 8 strings, acoustic and electric guitar tuner
- Bass: 4, 5 and 6 string
- Ukulele
- Banjo: 4 and 5 string
- Mandolin
- Charango
- Violin and fiddle
- Balalaika
- Chromatic tuner

Availables tunings in Guitar Tuner Guru include Standard tuning, Open D, Open C, Open G tunings, DADGAD tuning, Drop D, Drop C, Drop A and many more

Enjoy and stay tuned !

If you have any feedback, questions, or if you think some tunings or instruments are missing and would like to see them added, feel free to contact us at mobile@tabs4acoustic.com