roomfinderapp.com With a user-friendly layout and years of experience in the market, roomfinderapp.com is one of the most established portals for roommate searches. The company describes itself as a website that matches people with a spare room with those in need of one. You can subscribe for free whether you want to list a room or look for a housemate. However, there are some features that you may only be able to unlock in exchange for a small fee, including having unlimited access to all users and the ability to get in touch with someone before non-paying members.