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Onion Browser vs Ceno Browser: catalog facts
Onion Browser	Ceno Browser
Free Free and open source under the MIT licence.	Free Free and open source under the MPL-2.0 licence.
iOS	Windows, Android, iOS
Tor browsing on iOS with per-tab circuit control and security levels Endorsed by the Tor Project	Can reach blocked content through other users' shared cache Works when VPNs are blocked
iOS forces it onto WebKit, so it cannot match Tor Browser's fingerprint protections Browsing over Tor is noticeably slow	Usefulness depends on how many other users are online and sharing Shared pages come from a cache and may not be current
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MPL-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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