In order to respect our users' privacy, ProtonVPN enforces a strict no-logs policy. This means we keep no session usage logs of what you do online, and we do not log metadata that can compromise your privacy.
Does ProtonVPN free sell your data?
ProtonVPN however, is an exception to this rule. Our free VPN is the only one in the world with no ads, no malware, no logs, and no bandwidth limits. We do not sell your data because we do not collect it in the first place, and we do not attempt to generate revenue from our free users.
Does VPN sell your data?
If a VPN is tracking your activity, it may intend to sell that data to third parties, for purposes of marketing or ad-targeting. ... Free VPNs are more likely to track your data. The CSIRO study said 65 percent of paid VPN providers didn't track users' online activity, but only 28 percent of free services did the same.