A free program for Android, by Lior Hai.

This app is a tool for tuning your clarinet. It can be used for both beginners and experts. It is easy to use and will provide you with instant results. 

It is designed to be used with a microphone, so it will work only with devices that have a mic. It will analyze the sound coming from the microphone and will display the frequency of the current note. 

It is very easy to use and will not take much of your time. 

How to use it:

Open the app and start using it. 

The first thing you need to do is open the app. It will then ask you to start a tune.