Mosquito Repellent generates unique high frequency sound that may repel mosquitoes. Works only in support of high-frequency speaker audio. We don’t guarantee that our app will generate high frequency sound on each mobile device and that it will always deter mosquitoes – just try if it works on your device.It has been scientifically proven that ultrasound may repel mosquitoes and other insects. More about the technique: http://www.ehow.com/list_7865665_frequencies-repel-insects.htmlYou can use Mosquito Repellent as:- typical app- desktop widgetYou may also get notifications and shortcut icons about similar free and sponsored apps. However, if you don’t want them, you can opt out any time you want using website provided in the app or notification.