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Serpstat vs SpyFu: catalog facts
Serpstat	SpyFu
Freemium Free access to start, with paid plans for fuller use.	Freemium Limited searches are available on the site; full data and tracking need a paid plan.
Web, Browser extension	Web
Site audit with prioritized issues and scheduled checks Keyword data for 230 countries	Shows competitors' organic and paid keywords and ad history Keyword lists can be downloaded
Hosted service; data stays on Serpstat's servers Free tier is limited compared with paid plans	Most data and tracking sit behind paid plans Focused on Google search and ads
Web application, Browser extension	Web application
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is 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.