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PDQ Deploy vs ABC-Update: catalog facts
PDQ Deploy	ABC-Update
Paid Commercial software from PDQ; current plans are on the vendor's pricing page.	Free Freeware, also free for commercial use.
Windows	Windows, Command line
Deploys software and scripts to many Windows machines at once Runs on-premises inside your own network	Schedules updates and reboots outside working hours Reports missing updates and pending reboots
Windows only Commercial, closed-source software	Windows only Focused on Microsoft updates rather than third-party software
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License: Freeware
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 October 1, 2026

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