If you read the privacy policy clearly. you can easily see that they scan everything about your device and they share your credit card number. They dont have your personal info but they do have where you live. Although the app does its job well its privacy policy is lethal. With that kind of info the third party services they work with are capable of complete havoc on your devices system.
Getridofit$ about F-Secure Mobile Security, v4.4.3