Do not depend on apps only for your security, when you have a poor security behavior. With good apps and a poor behavior or attitude to your security, those apps will not still be enough to save you from theft. As you look for apps to help your security improve, also seek knowledge that will improve your consciousness on security, so that when you get apps, you will be assured of more security. Also many people have downloaded the wrong thing that caused problem for them while they were looking to download good apps that are useful, download any app suggested to you from the appropriate source, so you do not download problem.