Anti Mosquito - multi-frequency sonic repeller

This app prevents mosquitoes from biting you by emitting high frequency ultrasound from your phone that repels them away from the source of the sound. Works in a background.

Warning:
Although this app works great on the whole world on the mosquitoes and insects it not guarantee 100% chance of success. There are a lot of mosquito species in the world and some of them may be resistant to ultrasonic sounds.