Funding: $2.1 million from a group of investors including IDG Ventures, Structure Capital, xSeed Capital and Sherpa Ventures
Who should use it: Those who love exclusivity. The League connects to Facebook and LinkedIn to screen users' desirability based on their caliber. (Despite the name, they're not just looking to admit those who've attended Ivy's.) You're placed on a waitlist before being admitted into the app. Once you're in, you'll get five matches a day. Right now, it's only available in San Francisco but is planning to roll out in other cities this year.