I'm using this service for 2 years and they are online almost 24*7 and reply in mins.
And their support team do the best service what clients want.
Really reliable and good service.

They always keep up to date versions as well as tutorials and examples.
Very helpful for self starters.

I've contacted them with my project and they handled my project from ground to deploy as well as maintenance.
Really recommended.

Stay away from them.
Before purchase, their skype and email support replies.
But right after purchase, they only send login credentials and then no reply.
And the payment is going under progress and no live!
Really scam website.