This service seems very nice, i didnt try it but i speak a long time with the hotline on the web site. they are very nice by the way, and answer most of your question.
But, there is a but ! if you huse their services you will have a fix public IP on the other end of the VPN tunnel. So if you want to protect your privacy, it's not the best service. Indeed, i can quickly find you back with this IP.
think why you want to use a VPN and think about it.