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Dr. Link Check vs Screaming Frog SEO Spider: catalog facts
Dr. Link Check	Screaming Frog SEO Spider
Freemium A free check is available, with paid plans for larger or repeated checks.	Freemium Free for crawls up to 500 URLs; a licence costs £199 per year.
Web	Windows, macOS, Linux
Flags links to malware and phishing sites, not only dead ones Checks resources such as images and style sheets	Runs locally as a desktop app on all three major systems Checks over 300 issues including redirects and duplicates
Requires JavaScript in the browser Larger sites need a paid plan	Free version limited to 500 URLs Advanced features need a paid yearly licence
Web application	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
Needs internet	Not stated if it works offline
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.