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MacCleaner Pro vs Disk Diet: catalog facts
MacCleaner Pro	Disk Diet
Freemium Free to download, with a paid licence available from Nektony.	Paid One-time purchase with no subscription, listed at $2 on the product page.
macOS	macOS
Cleanup, disk analysis, duplicate search and uninstalling in one bundle Detailed disk space analyzer	Targets many common clutter locations in one scan Includes Xcode developer folders and old iOS updates
macOS only Full use requires a purchase	macOS only Requires macOS 11.5 or later
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
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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