When comparing proXPN vs VPN.ac, the Slant community recommends VPN.ac for most people. In the question“What is the best VPN provider? ” VPN.ac is ranked 26th while proXPN is ranked 76th. The most important reason people chose VPN.ac is:
VPN.ac has fast throughput rates.
Ranked in these QuestionsQuestion Ranking
Pros
Pro Long-time sponsor of Security Now! podcast
Any sponsor of Security Now! podcast must be approved by the podcast host, Steve Gibson.
proXPN first sponsored the podcast in April 2013, and Steve Gibson still recommends it even in 2015.
Pro Fast
VPN.ac has fast throughput rates.
Pro Solid encryption
Pro Six simultaneous connections
Up to six devices can be connected to the service in parallel with one account.
Pro Great support
Very quick and professional support and easy to use ticketing system.
Pro Optional double hop server for advanced anonymity
Pro Outside "Five Eyes"
Based in Romania* the service is outside of the jurisdiction of Five Eyes.
*http://nomadcapitalist.com/2013/12/15/top-5-best-countries-host-website-data-privacy/
Pro Easy to use
Especially the mobile client is very user friendly. The upcoming version of the desktop client is following suite regarding UI.