4. Raya: £5.99 a month.
Allegedly popular among celebrities, and first came to public attention in 2015 when Kelly Osbourne's profile was leaked.
3. The League: The Ivy League one - £12.50 a month.
The League opened for business in London this summer after expanding to several U.S. cities. Founder Amanda Bradford's goal is to keep the club "well-balanced, diverse, and classy."
2. The Inner Circle: from £20 per month.
The Inner Circle launched in Europe in 2013, and is now present in 20 cities worldwide. In the US it has a presence in New York, Boston, Los Angeles, San Francisco, and Houston.
1. Social Concierge: £40 per month.
Nana Wereko-Brobby, also a professional matchmaker, launched Social Concierge in London in 2011 and Manhattan in February 2017. Users don't have profiles and don't swipe, instead the app puts on a series of events.