Sometimes Many of us leave our smartphones carelessly which is easily acessble to others. Want to find who is using your smartphone without your permission, May be its your brother, sister, frineds collegues, room mates etc. The easiest way to prevent someone from spying on your smartphone is to put a strong password on your phone and use your phone’s recovery app to locate your phone and wipe the data if your phone is stolen.

Related: Recover Deleted Data from your Devices

Third Eye
This will take a photo while someone tries to access your mobile with wrong PIN, Pattern or Password. You can catch the snoopers red-handed using this app. This app was developed by Mirage Stacks , a popular app developer for published few security apps on google play.

This app offers many usefull features like it take photos of people who tries to unlock our device. But I have noticed this app sometimes fails, because if some one uses correct password or pin it wont find who used our phone. But Last Unlock Time feature will show you the previous lock screen unlock time. With that, you can easily find if someone used your mobile without your knowledge. you can get this app from google play