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Proton VPN vs cryptostorm: catalog facts
Proton VPN	cryptostorm
Freemium The free tier has no data cap but limited countries and speeds. Paid plans add more…	Paid Paid service; access is bought as anonymous tokens.
Windows, macOS, Linux, Android, iOS, Browser extension	Windows, macOS, Linux
A free tier with no data cap and no advertising Clients are open source on every platform and independently audited	Token-based access with no named customer account Server-side configurations published for review
An account is required, even for the free tier Free tier covers few countries and slows down at peak times	Built around OpenVPN, which takes more manual setup than a one-click app Plainly styled site with technical documentation aimed at experienced users
Downloadable app, Browser extension	Hosted service
Open source	Closed source
License: GPL-3.0	License not stated
Account needed	No 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.