Unfortunately, Userbrain only supports unmoderated remote testing at the moment.

What is the difference between moderated and unmoderated user tests? 

In the case of moderated tests you have to be present (on site, via Skype, etc.) to guide the participants through the tests, whereas with unmoderated tests you don’t need to be present, because the participants conduct their testing independently and, so to speak, moderate themselves. 

Want learn more? Please see our article: Moderated vs. Unmoderated User Tests: What’s the difference?