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Proton VPN vs AVG Secure VPN: catalog facts
Proton VPN	AVG Secure VPN
Freemium The free tier has no data cap but limited countries and speeds. Paid plans add more…	Paid Paid subscription with a free trial, covering up to 10 devices.
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	Apps for Windows, macOS, Android and iOS One subscription covers up to 10 devices
An account is required, even for the free tier Free tier covers few countries and slows down at peak times	Closed source commercial service No free plan beyond the trial
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	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.