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Integrity vs Xenu's Link Sleuth: catalog facts
Integrity	Xenu's Link Sleuth
Freemium Integrity is free; Integrity Plus ($20), Integrity Pro ($59) and Scrutiny ($149) are paid…	Free Free to download and use.
macOS	Windows
Free link checker with no usage cap mentioned Native macOS app	Checks links, images, scripts and style sheets Re-checks failures and reports redirects
Mac only Export, search and sitemaps require a paid version	Windows only, with no plans for other platforms Dated interface and limited development
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.