A free app for Android, by Just4Fun.

Mosquito Sound is a free application to play various sounds at different frequencies. It is a very useful tool to play these sounds to your phone or tablet. This is a very handy tool to use, especially if you are trying to get rid of a certain insect. There are many types of insects, but the most common are the mosquitoes, the blackflies, and the flies. These are very annoying insects, and if you are trying to get rid of them, you should definitely download this application.

It is very simple to use, and you can use it with your phone or tablet. It is compatible with Android phones. You can play different sounds at different frequencies. The most common frequencies are in the range of 9 to 22 kHz.