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Proton VPN vs StrongVPN: catalog facts
Proton VPN	StrongVPN
Freemium The free tier has no data cap but limited countries and speeds. Paid plans add more…	Paid Subscription at $11.99 per month or $47.69 for the first year, with a 30-day money-back…
Windows, macOS, Linux, Android, iOS, Browser extension	Windows, macOS, Android, iOS
A free tier with no data cap and no advertising Clients are open source on every platform and independently audited	WireGuard protocol included More than 950 servers in over 30 countries
An account is required, even for the free tier Free tier covers few countries and slows down at peak times	Paid only, with no free tier Closed-source service
Downloadable app, Browser extension	Downloadable app, Hosted service
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 September 24, 2026

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