Used this on WordPress.com for a couple issues I had (whitelabled—had to use inspect tool to see it was Directly-powered support), and response was fast, UI and UX was well-thought through. I highly suggest checking them out—a great experience for your customer from end-to-end.
Good clientele
Pros:Refreshing Design, Seamless Virtual Agent to your own customer service
Cons:Haven't tried the product enough