http://tor4sqofvveg2hrrreljy3ypa5hxn3a7q6haqktj4ohtta6f23ex74yd.onion/blog/is-someone-spying-on-my-phone-how-to-know-and-protect-yourself/index.html
If you have successfully removed spyware from your phone, you may notice that the signs of spying (such as fast battery drain or overheating) have disappeared. How can I tell if an app is safe to download? To tell if an app is safe to download, you should only download apps from trusted sources like the Google Play Store or Apple App Store.