It hooks you up with friends of friends, so the people you're chatting with can be vouched for by people you trust.
Like Tinder, your profile is built around your Facebook photos and interests, and then you can chat with someone once you've both "liked" each other, but the similarities end there.
Plus it's never a bad thing to remind women that they're in control of their own bodies, despite what many gross trolls would have them believe.
This app could basically be renamed "Stalkr," but that doesn't stop it from being a personal favorite of mine.
By turning on your location services, the app shows you people you've "crossed paths with," within one city-block.