Its casual nature and easy-to-use design has attracted a reported 57 million users across the world. So how exactly does it work? After that, users can choose up to 9 photos to display along with a short bio. Unlike other online dating services, there is not much emphasis on personal information other than the short bio and the option to include your occupation or university. This makes Tinder uniquely casual, which may not be what some users are looking for. How to Locate Potential Matches Users can set their distance preference, showing a range of potential matches between 1 and miles away which can be changed at any point.