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Handle vs IObit Unlocker: catalog facts
Handle	IObit Unlocker
Free Free download from Microsoft Sysinternals.	Free Free to download and use.
Windows, Command line	Windows
Finds which program has a file locked Covers registry, thread, process and other handle types	Fixes files that cannot be deleted or moved because they are in use Simple single-purpose tool
Command line only; Process Explorer offers a GUI equivalent Requires administrative privileges	Windows only The download page promotes other IObit products such as Advanced SystemCare
Downloadable app	Downloadable app
Closed source	Closed source
License: Sysinternals EULA	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 2, 2026

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