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Best Anti Mosquito / Repellent Apps for Android Generating High Frequency Sound - Android Advices
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Top 10 best anti mosquito apps (android/iPhone) 12222
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Deleting comment This comment has been deleted. I had never heard of apps that claim to repel mosquitoes. The human ear has a hearing range of , Hz or 20 kHz , but as we age, we find it harder to hear certain frequencies. The radio station in Brazil had transmitted the sound at 15 kHz. I tried a few online hearing tests, but the result varied from one site to another.
Later, I checked with my ENT specialist and he said that a 14 kHz frequency would sound like a shrill tone, and that as one gets older, one loses the ability to detect higher-frequency sounds. Now whether I could hear the tone or not is not the point. The app claims to repel mosquitoes, and what I wanted to know was, can a cellphone app really do that?
I have trawled the Internet and have found no evidence that these apps work. Besides, there is no scientific evidence to prove that mosquitoes are repelled by high-frequency sounds. The pitch of the sound is so high that most humans will not notice anything". The iTunes website for the app adds: Use the pitch selector to find the optimal repelling frequency for the mosquitoes in your region.
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The sound is meant to mimic a natural predator, such as a dragonfly, that female mosquitoes may want to avoid. The other theory is that the sound mimics a male mosquito, and if a female has mated already, she would want to avoid the male.