DATING ADVICE - May 21 - Dating app Meetville claims ~16M users. The app matches possible partners based on mutual interests, shared values, and psychological compatibility. "For us, the most important criteria for finding your soulmate is your psychological compatibility," said Maria Vinokur, PR Manager at Meetville. "We think it's important that you not only chat with someone you like online, but also develop and create a stronger relationship with that person in real life," Maria said.