Coffee Meets Bagel is an online dating website for any users over the age of 18. The website signs up their members via facebook and it can be downloaded as an application on your iPhone. Their usage policy makes it quite clear that you must be a single individual, not married and you shouldn't have a criminal background. Coffee Meets Bagel reserves the right to run a background check on any suspected members. It seems this service is completely free to use but there is no indication of any costs that are invloved. All of the information on your profile is hidden unless you share it with other members.