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Calyx VPN vs Bitmask: catalog facts
Calyx VPN	Bitmask
Free Free, funded by Calyx Institute members and donations.	Free Free to use and open source under the GPL-3.0 licence.
Android	Android
No account needed No logging, according to the provider	No account needed and automatic configuration Built-in tools for bypassing censorship
Only Calyx Institute servers are available Android only	Limited to a small set of compatible providers Speed and server choice depend on volunteer-run providers
Downloadable app, Hosted service	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
No account needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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