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TeenHater app for iPhone and iPad


4.5 ( 8955 ratings )
Utilities Music
Developer: Federico Terzi
0.99 USD
Current version: 1.0, last update: 7 years ago
First release : 19 May 2012
App size: 4.65 Mb

TeenHater is the most intuitive, useful and simple to use ultrasound generator on the App Store.

It can generate ultrasounds from 8 to 22 kHz and supports background mode too.

You can use it for testing your own hearing or for drawing attention to yourself without older people noticing you.