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Astrill VPN vs Private Internet Access: catalog facts
Astrill VPN	Private Internet Access
Paid Paid subscription, with a VIP plan and business options.	Paid A paid subscription is required.
Windows, macOS, Linux, Android, iOS	Windows, macOS, Linux, Android, iOS, Browser extension
StealthVPN protocol designed for restrictive networks Apps for desktop, mobile and routers, including Linux	Client applications are entirely open source Port forwarding and very granular connection settings
Proprietary protocol and closed source apps Requires a paid subscription	Owned by Kape Technologies, whose history some users weigh carefully United States jurisdiction
Downloadable app, Hosted service	Downloadable app, Browser extension
Closed source	Open source
License not stated	License not stated
Account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

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