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Proton VPN vs Turbo VPN: catalog facts
Proton VPN	Turbo VPN
Freemium The free tier has no data cap but limited countries and speeds. Paid plans add more…	Freemium Free version available, with paid plans and a 30-day money-back guarantee.
Windows, macOS, Linux, Android, iOS, Browser extension	Windows, macOS, Android, iOS, Browser extension
A free tier with no data cap and no advertising Clients are open source on every platform and independently audited	Free tier available Kill switch and split tunneling
An account is required, even for the free tier Free tier covers few countries and slows down at peak times	Proprietary service with no published source Developer and ownership details are not stated on the homepage
Downloadable app, Browser extension	Downloadable app, Hosted service, Browser extension
Open source	Closed source
License: GPL-3.0	License not stated
Account needed	Not stated if an account is 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.