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Screaming Frog SEO Spider vs Sitechecker Broken Link Checker: catalog facts
Screaming Frog SEO Spider	Sitechecker Broken Link Checker
Freemium Free for crawls up to 500 URLs; a licence costs £199 per year.	Freemium Free checks are available; the full platform and ongoing monitoring 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	Broken links reported alongside a wider technical SEO audit Companion Chrome extension
Free version limited to 500 URLs Advanced features need a paid yearly licence	Heavily oriented toward selling the paid SEO platform More than needed if you only want a link check
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.