Ok, makes sense. You might want to invest some time in adding a bunch more banned words as one of the comments on there was something like "I'm a pedo, anyone else?"

I only tried it on mobile, but here is a little constructive criticism:

The styling is odd, links and chat bubbles all look very similar, but sometimes the width and height of the bubbles is a bit borked.

The private room codes being only 2 digits are ridiculously easy to guess and there's no password so there's nothing stopping anyone from just tapping in a number.

There seems to be no filtering on messages at all, which is a bit concerning seeing as it's at least partially aimed at kids.