The app is the best way to tune your guitar. It has a built-in scale that lets you know what the correct note is.

How to use it?

The first thing you need to do is to download the app. You can do that from Google Play. The next thing is to open the application and tap the button to start the tuning. You will be able to see the note that you need to tune. Just tap the button and it will be done.

After that, you need to listen to your guitar. You can do that with your headphones or your earphones. Try to listen to the sound that you want to tune. It will be very easy to do that.