Compare software

Screaming Frog SEO Spider vs Sitechecker: catalog facts
Screaming Frog SEO Spider	Sitechecker
Freemium Free for crawls up to 500 URLs; a licence costs £199 per year.	Freemium The single-page SEO checker is free; crawling, monitoring and rank tracking are paid…
Windows, macOS, Linux	Web, Browser extension
Runs locally as a desktop app on all three major systems Checks over 300 issues including redirects and duplicates	Free page audit with a score, status code and indexation status Crawler, monitoring and rank tracking in the same platform
Free version limited to 500 URLs Advanced features need a paid yearly licence	Most features beyond the single-page checker are paid Aimed at marketers, so reports focus on SEO rather than general site health
Downloadable app	Web application, Browser extension
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	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.