Hello,(firstly i just want to say this app is free..) i know of an app which lets you make chatrooms, i have made a The quest chatroom for live chat!!
Im going to show you how to get on to it..
Remember it's free!
first, go on to the app store. Search for an app called palringo
when you have found it, create a new account.
Then go on 'groups'
hit the button at the top right of the screen, it should have a plus sign.. ( + )
this is add group.
Go to search, at the bottom right and type in ' The quest '
Welldone! your now in The quest chatroom, i am the admin of it, and i can silence, kick and ban anyone who spams. i will also find people who are activly in the chatroom to be moderators!:P