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WizTree vs Prunr: catalog facts
WizTree	Prunr
Freemium Free for personal use. Commercial use, or removing the Donate button, requires a paid…	Free Free and open source under the MIT licence.
Windows	Windows, macOS, Linux
Reads the NTFS master file table, so scans finish in seconds rather than minutes Treemap view of the whole drive alongside a sorted file and folder list	Duplicate finder and disk usage analyser in one app Previews and auto-selection for safer cleanup
Closed source The MFT trick only applies to NTFS; other file systems fall back to a normal scan	Young project with a small user base No documented command-line mode
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked October 1, 2026

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