Proton, and Proton VPN, advocates for privacy – and there is a subtle but important difference between the two. Hackers, third-parties, or your ISP can't see what you're doing, and that is the privacy VPNs offer. Calling out free VPNsInfomaniak also took issue with free services, such as free VPNs. (Image credit: rob dobi / Getty Images)VPNs, and especially the best free VPNs, are a lifeline for people living under censorship and internet restrictions. Proton VPN has a host of dedicated anti-censorship features, aimed at protecting the privacy of those who need it most – including the free service Proton VPN Free.