Re Re Search: Users may also see that is from the software in a city that is different another area of the globe. Encounters: Another free function, where users swipe right (yes) or left (no) on other users’ profiles. The two users are notified if there is a match. V Tinder Although Badoo might be the biggest still free dating app, Tinder has established which they had 20 billion matches up to now. I .