Anti Dinosaur sounds

Anti-Dinoasur contains theese high frequency sounds:
100Hz
750Hz
1000Hz
3000Hz
4000Hz
5000Hz
7000Hz

This app designed for keep you safe from dinosaurs.
According to a research conducted in switzerland, dinoasurs afraid from high frequency sounds. So when you see a dinosaur, open this app, it will protect you.

And also you can use this app for pranks. Maybe you don't you like your friend? Open a high frequency sound near him/her.