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Ultrasound Repeller

Free
iPhone / iPad
Genres:
  • Utilities
  • Health & Fitness
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Download from AppStore

Turns your device into ultrasound emitter to repel annoying mosquito, rats and even kids!


Features:

Mosquito repel mode - your device will emit sound wave from 17kHz to 18kHz, targeting to repel some types of mosquito.

Mosquito & rats repel mode - your device will emit sound wave from 21kHz to 22kHz, targeting to repel some types of mosquito and rats. Ultrasound may only repel rats for short term, as rats will eventually learn that ultrasound does not harm them.

Kids repel mode (available at in-app purchase) - sometimes kids are as annoying as mosquitos, your device will emit sound wave from 14kHz to 15kHz, kids will be frightened by the unnatural high pitch. For more information, kids can hear these range of sound frequency but most adult can't.

Energy saving mode (available at in-app purchase) - sound waves will be emitted one by one with a pause in between. Can save you 50% battery usage

Background running mode - App can run at background while home button is pressed or the display is locked. This mode will be interrupted by a phone call and resumed when the phone call disconnected.