Of course, you can also sign up in the app if you're hetero without any problems, but you probably won't be able to find what you're looking for. But it's also a worldwide social network just in case you're feeling lonely when abroad. In particular, it's used to find nearby contacts to start a relationship if that's what you're looking for. Although nowadays we use other terms in this context such as poly-love or transsexuals, the fact is that Grindr is a social network for homosexuals.
Just in case you still didn't know, there's a social network dedicated exclusively to the gay and bisexual world.
