When comparing oVPN.com vs VPN.ac, the Slant community recommends oVPN.com for most people. In the question“What is the best VPN provider? ” oVPN.com is ranked 12th while VPN.ac is ranked 26th.
Ranked in these QuestionsQuestion Ranking
Pros
Pro AES-256 and not USA based
Pro Dedicated servers & no logging
They use diskless dedicated servers - not shared virtual servers.
Keep no logs and being diskless, the servers cannot store any data that will survive a reboot.
Pro Speed
Recently opened datacenters in LA and MIA, resulting in great download speeds.
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.