UltraSurf is a freeware Internet censorship circumvention product. The software enables its users to bypass Internet censorship and firewalls using an HTTP proxy server, and employs encryption protocols for privacy. Developed by UltraReach
License: Free
Private Internet Access offers a comprehensive set of features tailored for users seeking robust security and privacy, while UltraSurf focuses on ease of use and accessibility, especially in restrictive environments. Overall, PIA is a stronger choice for serious VPN users, whereas UltraSurf is suited for casual users needing basic privacy.