Badoo is a free dating site and app. With more than 200 million users worldwide, the app and  desktop version identifies the location of a user by tracking his or her device’s location and then matches pictures and profiles of potentially thousands of people the user could contact within the surrounding area.

Badoo app monitors people around you, maps their location, and sends you a notification who is the person you just bumped into. Badoo will let you know when he or she is around, so you can tell ‘hi’ or just start a virtual conversation.

Although free, if you If you want to features on the top of the site or the app’s navigation bar as a nearby contact, you have to buy credits.