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DuckDuckGo Search vs Kagi: catalog facts
DuckDuckGo Search	Kagi
Free Free to use, supported by non-tracking ads.	Paid Subscription plans start at about $5 per month.
Web, Browser extension	Android, iOS, Web, Browser extension
No account needed and no search profiling Easy to set as default in any browser	No ads in results Per-site blocking, boosting and Lenses filters
Search service itself is closed source Shows ads alongside results	Requires a paid subscription and an account Closed source
Web application, Browser extension	Downloadable app, Web application, Browser extension
Closed source	Closed source
License not stated	License not stated
No account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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