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Tor Browser vs Onion Browser: catalog facts
Tor Browser	Onion Browser
Free Free and open source. The Tor Project is a US non-profit funded by grants and donations.	Free Free and open source under the MIT licence.
Windows, macOS, Linux, Android	iOS
Traffic passes through three relays, so no single one knows both who you are and what you opened Fingerprinting defences make one Tor user look like the next	Tor browsing on iOS with per-tab circuit control and security levels Endorsed by the Tor Project
Noticeably slower than a direct connection; video is painful Some sites block Tor exit nodes outright or bury you in captchas	iOS forces it onto WebKit, so it cannot match Tor Browser's fingerprint protections Browsing over Tor is noticeably slow
Downloadable app	Downloadable app
Open source	Open source
License: MPL-2.0	License: MIT
No 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 21, 2026	Official website Full listing and sources Checked September 22, 2026

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