“Ideal Flatmate” platform helps you find your perfect roommate. For this you should answer 20 questions about how you would like your roommate to be.
More details about the platform are Tom Gatzen and Robert Imonikhe saying here:
https://www.standard.co.uk/lifestyle/london-life/ideal-flatmate-the-app-that-can-help-you-to-find-the-perfect-flatshare-in-london-a3480206.html