【實用娛樂app】HiPitch|最夯免費app-綠色工廠好玩App

This app can generate frequencies from 0 -20000 hertz. Whether you are simply testing your hearing range or trying to annoy your friends, this app will be perfect for you! It is optimized for different ages and groups and has several prime options for extremely high pitches that are guaranteed to bother, annoy and disturb those around you.Similar to sound grenade but with more options