It is a great app to prank ur friends at school and just cool like I was walking down the hallway with it on its just funny how the people react at my school to it

This app functions exactly as expected, it is absolutely great! The only issue is that I wish the tone buttons on the user interface were in order ie: 9k 10k 11k, etc not 9k 13k 16k, but this doesn’t detract from the app and is a fantastic way to mess with my family. When a lot of people say they can’t hear it, this is true. The app is working, but a lot of people can’t hear these sounds. It simply depends on your ears. Most people over 30 cannot hear anything played on this app and a lot of times people a born with ears that cannot register the sound, the app is working perfectly it is not the apps fault, it yours. Here is a nice video from one of the smartest guys on the internet, at 2:55 he explains how your ears get worse over time and it is harder to pick up these tones

I find it odd that it only has 3.6 stars as if typing this review, and this is because (at least for me) it completely works and does the advertised things. I believe any cases in which it hasn’t worked for people are likely outdated software versions, user errors, or “flukes”. But in my scenario it has to have a 5 out of 5 stars because it does exactly what it is supposed to and does not bother me ever with anything, the only advertisements being unnoticeable and at the bottom of the screen, never pop ups.

Some people are saying it doesnt work in their reviews. They just arent young enough to hear it. It really works awesomely.