Do you hate the dirty insects??? Download the app and keep away the insects
"Anti Insects Repellent Sound Simulator" is a free app that help to keep all insects away. This app is able to emit high frequency sounds (ultrasonic sounds) which is extremely disliked by insects so will keep your homes and offices insects free.
Insects should keep away from the source of the sound. Just click on center button in the app and the app will turn the repellent sound on and keep your mobile phone near you.
Note: This application is not endorsed by science it is developed by developer personal way, you can experiment this app.