But size isn’t everything – as anyone who has just wrapped up a three-hour swiping session on Tinder will attest.
Pros: Free to join and to have limited contact with members.
Psychologists and dating experts guide you through each step of the process – including messaging, which is somewhat structured and scripted – and there’s an anonomisation function for calling.
There’s currently a 7-day free trial to communicate with matches for free until 1 January.
Pricier – it’s £44.95 for a month, but that drops to £12.95 per month if you sign up for a year.
You can’t browse pictures or profiles – you wait to be matched by the mystery algorithm after answering the 400 questions – then you are guided through a contact process.