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Purple Knight vs Specops Password Auditor: catalog facts
Purple Knight	Specops Password Auditor
Free The Community edition is free to download from Semperis.	Free Free to download and use; related Specops products are paid.
Windows	Windows
Covers on-premises AD, Entra ID and Okta in one assessment More than 230 indicators of exposure and compromise	Finds weak, reused and breached passwords in Active Directory Free with no paid tier needed for auditing
Closed source Assessment tool only; it does not fix issues itself	Windows and Active Directory only Reports problems but does not enforce password policy on its own
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	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.