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Ahrefs Free vs Ubersuggest: catalog facts
Ahrefs Free	Ubersuggest
Freemium Free for verified websites; paid Ahrefs plans add more tools and data.	Freemium Free tier available, with paid plans for more usage.
Web, Browser extension	Web
Technical site audit at no cost Backlink and keyword ranking data from Ahrefs' index	Keyword research, competitor analysis and site audit in one place Free tier to start with
Requires an account and site ownership verification Full data for other people's sites needs a paid plan	Heavier use requires a paid plan Hosted on a marketing site with a lot of promotional content
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 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.