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Private Internet Access vs Mysterium VPN: catalog facts
Private Internet Access	Mysterium VPN
Paid A paid subscription is required.	Paid Paid subscription with a money-back guarantee of up to 30 days.
Windows, macOS, Linux, Android, iOS, Browser extension	Windows, macOS, Android, iOS, Browser extension
Client applications are entirely open source Port forwarding and very granular connection settings	Residential IP addresses that are harder to flag as VPN traffic WireGuard protocol with kill switch
Owned by Kape Technologies, whose history some users weigh carefully United States jurisdiction	Requires a paid subscription Traffic exits through other people's residential connections
Downloadable app, Browser extension	Downloadable app, Hosted service, Browser extension
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.