This is the fully featured free version with advertisements.
There is also a paid version available without ads.

Don't go anywhere this summer without this app.

Important: This app Does not work in vibrate mode, you must turn sound on!

★ Working in sleep mode, you can lock the device, it just keeps working.
"Mosquito Expeler" is the only mosquito app can work in sleep mode.

The "Mosquito Expeler" brings the most user-friendly and beautiful app to repel mosquitos.
Get rid of mosquitos and enjoy the peace of mind this app will give you.

"Mosquito Expeler" keeps generating sounds while the device is locked.(in sleep mode).
So you do not need to change your sleep mode setting, and can save both battery life and screen life of the device.

This "Mosquito Expeler" runs in the background prevents you from getting bitten by mosquitoes, ticks and some other nasty bugs.

The application emit a very unique high frequency sound (ultra sound) that the insects dislike. The pitch of the sound is so high that most humans will not notice anything.

Keep the application close to you and enjoy the outdoors without bites.