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Firefox vs Puffin Browser: catalog facts
Firefox	Puffin Browser
Free Free software from a non-profit-owned foundation. Mozilla sells separate subscription…	Freemium Free apps are available; the Puffin 365 bundle is sold as a subscription package.
Windows, macOS, Linux, Android, iOS	Windows, macOS, Android
Total Cookie Protection stops cookies following you between sites An engine that is not Chromium, which matters for the health of the web	Offloads page rendering to remote servers Available on desktop, mobile and smart TV
A small number of sites are still built and tested only against Chromium Mozilla’s revenue comes largely from a search deal, which shapes some defaults	All browsing passes through the vendor's servers Closed source
Downloadable app	Downloadable app
Open source	Closed source
License: MPL-2.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Needs internet
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 24, 2026

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