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Proton VPN vs Mozilla VPN: catalog facts
Proton VPN	Mozilla VPN
Freemium The free tier has no data cap but limited countries and speeds. Paid plans add more…	Paid Costs $9.99 a month, or $59.88 a year billed annually, plus tax.
Windows, macOS, Linux, Android, iOS, Browser extension	Windows, macOS, Linux, Android, iOS
A free tier with no data cap and no advertising Clients are open source on every platform and independently audited	Protects all apps on the device, not only the browser Built on WireGuard and Mullvad's server network
An account is required, even for the free tier Free tier covers few countries and slows down at peak times	No free tier Smaller server network than some larger commercial VPNs
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	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

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