This is a free app for Android devices. It's an easy-to-use and effective tool for tuning your mandolin. It's a handy app for musicians who want to tune their instrument in a fast, accurate, and easy way. 

The app has a simple interface. It's designed to be used by musicians who want to tune their instrument. It has different options for beginners and advanced users.

How to Use?

First, open the app and start the tuning. If you want to tune your mandolin with a mic, open the Settings tab and select the mic. If you don't have a mic, you can use the built-in microphone of your device.