Guitar Tuner Guru

Get the world’s most precise free guitar tuner app!

Fine-tune your guitar for pitch-perfect music in seconds. Thanks to your mobile's built-in microphone, tuning your guitar has never been so easy! Set up in seconds, tuned in minutes, playing chords and music for life. The pitch finder every musician needs!

Don’t settle for less, tune your guitar the way you want it!

Guitar Tuner Guru isn't just a basic tuner. It's a precise, responsive and easy to use chromatic tuner that will suit all your needs. You can fine-tune your guitar, bass, ukulele or mandolin in seconds thanks to your mobile phone.

Guitar Tuner Guru works by analyzing the signal from your smartphone’s microphone. It will work with any electric guitar, acoustic guitar, or any other 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 tuner for beginners and pros alike.

• Easy to use interface

The interface is simple, intuitive and realtime, making it easy for complete beginners to start tuning your instrument

• Super accurate

You won’t have to worry about being properly in tune with our professional precision suited for the most advanced players

• Autotuning mode

String detection will allow you to tune your instrument quickly without having to fiddle with your smartphone

• Chromatic tuner

A chromatic mode is available for any tunings or instrument not included in our basic guitar tuner

• 100+ tunings included

You'll get access to more than 100 different tunings, including standard tuning, drop tunings, open tunings and much more (see the full list below)

• Tune by ear

High quality samples will let you listen to every string you want to tune, that way you can train your ear as well

• Change the reference frequency

You can set the A4 frequency to any value you want between 420Hz and 460Hz. Perfect for 432Hz tuning

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