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James, who has just graduated from university, had the idea for the business when a friend complained that he couldn't meet women through existing dating apps and online services."Marco couldn't work out why people weren't responding so we decided to help him out," he explains."We also target interests, which means there's more potential for a long-term relationship than with a site that's purely based on looks, such as Tinder." James hopes his firm will be adding "2,000 new users a month" by the end of the year.Facebook's guidelines prevent dating sites from using the paid advertising slots to promote themselves, but individuals looking for love are free to advertise, claims James.

The most expensive option is Casanova, which also comes with a 10-minute pep talk before a first date. The majority of this cash is spend on the ads themsleves but Lovebook makes a small profit on each campaign.

Most of the other dating sites/apps are owned by 1 or 2 companies.

Ok Cupid was recently acquired by Match, and we actually need to update this video comparing the dating apps because there is no longer an "Inbox" on Ok Cupid for easy free access to read messages.

Newer Facebook-focused dating apps such as Yoke, The Datable and the Complete.me, which got coverage on several tech blogs earlier this year, don’t even crack the top 20 dating apps. Yoke and The Datable each have less than 1,500 MAU.

This dating app is supported by ads, and we have no need or desire to charge for features that make a dating site/app usable. Option to share your first name and last name initial on your profile.