This utility app emits ultrasonic sound frequencies designed to deter various pests like mosquitoes, insects, rats, and dogs. It offers four distinct sound modes and operates in the background. Users can experiment with different sounds for varied effectiveness.
2.0
October 27, 2026
A redesigned interface with light and dark themes, an improved tone generator, a one-second speaker test, adaptive layouts and 12-language support. Playback stops when changing modes or leaving the app.
MoreRepellent Pro is a utility app that emits ultrasonic sound frequencies to deter pests like mosquitoes, insects, rats, and dogs. It offers four different sound modes and can operate in the background.
Repellent Pro is a paid app, available for $0.99. It does not have in-app purchases or ads.
Repellent Pro is supported on iPhone, iPad, and iPod devices. It has an age rating of 4+.
Repellent Pro was last updated on September 16, 2016, with version 1.0. The release date was also September 16, 2016.
No, the app cannot guarantee 100% success due to the variety of insects and mosquitoes. Users are encouraged to try all sounds and experiment with using different sounds for different pests.
Yes, Repellent Pro uses ultrasonic sounds with frequencies higher than the upper audible limit of human hearing (approximately 20 kHz). It is normal for humans not to hear these sounds.
The app notes that some dog species have a high deafness ratio, in which case the tool will not be effective. It's also important to ensure sound is turned on, as it won't work in vibration mode.
Repellent Pro has a rating of 1.0 stars from 7 ratings. This indicates a very low user satisfaction based on available data.
