it works great and I would buy it if it was not a yearly subscription. Ads pop up and make it hard to use quickly when you need to. Uninstalled to buy one out right.
The frequency of most dog whistles is within the range of 23 to 54 kHz. Look it up your self. I did. This stopped short of 23 just like all the others I tried.
It doesn't work don't try it belive me
Fake app. The whistle does not work.
I was dreaming about app like this!!!
It doesn't tell you what to do
Remade Backup-Restore part