Is there an app on Facebook that allows a user to see who viewed their profile?

Question

I've heard a few people talking about such an app, and that it also allows someone to see what you looked at, and block you from viewing the profile again. It may be just a rumor, but I've become suspicious after I can't seem to check this one dude's profile anymore, it just becomes a blank screen. Could they have been alerted to my presence?

Answer 1

According to facebook:

"Can others know when I view their profiles?"

Facebook currently does not provide an application that allows users to track profile views or statistics on the views of any specific user content. Third party developers, however, may offer applications that provide some of this functionality. Please keep a few things in mind for these applications:

Applications CANNOT track profile visits for users who simply go to another person's profile; Facebook has made this technically impossible .

In order to be tracked by an application, you will need to specifically agree to allow the application to track your actions.

Adding an application that provides this functionality is purely optional. If you do not want to participate, please do not add the application to your account.

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So no, they cant know if you viewed their profile if you simply look at it and leave.