When looking at the app’s interface, you’ll see guys listed in order of proximity – you can turn off your location, but most guys leave theirs on. When you’ve created an account, you can add one photo and a small bio about yourself – though this is typically saved for sexual preferences rather than information on your hobbies or your interests.
Grindr is a geo-located hook-up app for men to meet men, based on who’s closest to them. Related: Grindr starts sending HIV test reminders to users Downloading and using it (Grindr)