There is no separate Facebook Dating app or Facebook Dating site; the feature is integrated into the Facebook mobile app. The dating feature is not available on Facebooks website, but there is a page for frequently asked questions about Facebook Dating.

Does Facebook have a free Dating site?

However, unless you count your personal data as currency, Facebook Dating is completely free. Beyond the robust profiles, the app gives you more ways to search that only Facebook can. See folks who are in the same Facebook groups as you or who went to the same Facebook events as you.

How can I know who searched me in facebook?

0:553:25How Can You See Who Viewed Your Facebook Profile? - YouTubeYouTube