When someone tries to access your smartphone with the wrong PIN, Pattern, or Password, you will get a notification. In the notification, you will get the details of the person who made the attempt. With that, you can easily see if the person is your friend or family member. You can also find out the time of the attempt.

If you want to catch all the snoopers, you can use the Third Eye app. In that way, you can catch all the snoopers with ease.