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Proton VPN vs FastestVPN: catalog facts
Proton VPN	FastestVPN
Freemium The free tier has no data cap but limited countries and speeds. Paid plans add more…	Paid Paid subscription, including a discounted lifetime plan.
Windows, macOS, Linux, Android, iOS, Browser extension	Windows, macOS, Linux, Android, iOS, Browser extension
A free tier with no data cap and no advertising Clients are open source on every platform and independently audited	Apps and extensions for many platforms including Linux Lifetime plan option
An account is required, even for the free tier Free tier covers few countries and slows down at peak times	No free tier Proprietary service with no published source
Downloadable app, Browser extension	Downloadable app, Hosted service, Browser extension
Open source	Closed source
License: GPL-3.0	License not stated
Account needed	Account needed
Works offline	Needs internet
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 1, 2026

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