Controversial Lulu App Lets Women Rate Former Boyfriends

In what seems like a guy's worst nightmare, an app called Lulu is bubbling up as a controversial social platform that lets ladies post reviews and recommendations about past dates.

The concept — which launched in February in the Untied States and is available for iOS and Android — is for women only. Men are denied access, deeming it a safe zone for females to rate guys on a variety of topics, from humor and ambition to first kiss and sex.

Here's how it works: After female users ages 18 and up access the app and sync it to Facebook, they can add a guy to the database and upload a picture. All users are anonymous — no names included — and activities are kept off Facebook. But if you come across a profile that might be of interest to someone you know, you can share profiles with Facebook friends. Hashtags can also be added to the guy's profile, so characteristics are searchable