Utilities · Free · per month, Mac App Store. Scanning stays free $4.99
Your whole disk as one treemap. The biggest folder is the biggest box, and node_modules, DerivedData and caches are found and totalled.
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SiftMac
The calm Mac disk cleaner that tells you, for every item, whether it comes back.
SiftMac is a native Swift disk cleaner for macOS 14 and later. Before it removes anything, it gives each item a verdict, rebuilds itself or yours to decide, with the reason in plain words. Anything that can't come back waits 7 days on an Undo Shelf.
- Explains what's inside System Data
- Covers developer and AI-tool leftovers: Xcode DerivedData, simulators, old node_modules, Claude Code, Cursor, Ollama
- Nothing leaves your Mac
- Notarized by Apple
$12 once for the first 100 buyers, then $19, for 2 Macs. Scanning is free, and so is the first 2 GB of cleaning. Made by one developer and updated regularly (0.2.5, 26 Oct 2026).
Try its notes in the browser first: siftmac.com/check
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