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Proton VPN vs Kaspersky VPN Secure Connection: catalog facts
Proton VPN	Kaspersky VPN Secure Connection
Freemium The free tier has no data cap but limited countries and speeds. Paid plans add more…	Paid Paid subscription, with a free trial available from Kaspersky's site.
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	Encrypts traffic on untrusted public networks Sold separately or alongside other Kaspersky products
An account is required, even for the free tier Free tier covers few countries and slows down at peak times	Closed source, so the client cannot be independently audited Requires trusting Kaspersky with your traffic
Downloadable app, Browser extension	Downloadable app, Hosted service
Open source	Closed source
License: GPL-3.0	License not stated
Account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
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.