Flatchat

Flatchat lets you connect with potential flatmates, prospective owners and other seekers REAL TIME. You don't have to worry about not getting a response or that particular listing not being available because what is happening is right there right now. All you have to do is, just download the app and create a profile and get matched with owners/seekers/tenants. Just see what they have to offer or their profile and start chatting. Yes, I am not kidding, it's that simple. And one more thing... (there, I just had my Steve Jobs moment) you get an accommodation assistant too, to help you out with more options, scheduling meetings with owners and much more. Come on, now just download Flatchat. But technically this is not the best apartment rental site, this is the best apartment rental app ;)