not sure what to do
even after putting this app in
Could you please explain about the issue further? How do you know that another person is tracking your activity? Have you turned on Freedome after installing it on your device?
If you would like to know more about Freedome, you can check the articles here.
Take your device to a shop, or get a new device. A VPN cannot solve a compromised device. Been there. All the best.