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Native macOS cleaner and maintenance app, built in SwiftUI. Junk caches, orphaned app data, large files and duplicates, uninstalling apps with their leftovers, login items, and live memory pressure — no Electron, no always-on daemon, no telemetry.
Requirements
- macOS 14 or later
- Apple Silicon (arm64) — this build is not universal, so it will not run on Intel Macs
Install
Open the .dmg and drag CleanMyOwn to Applications.
First launch
This build is ad-hoc signed and not notarized, so Gatekeeper will refuse it on first open with a message about an unidentified developer. To run it anyway:
- Right-click (or Control-click) CleanMyOwn in Applications → Open → Open.
If macOS still blocks it, clear the quarantine flag:
xattr -dr com.apple.quarantine /Applications/CleanMyOwn.app
Because the build carries no stable signing identity, the Full Disk Access grant does not survive a reinstall — you will need to grant it again after replacing the app.
Notes
Privileged work runs through a session-scoped AuthorizationRef, or an optional SMAppService helper limited to four allowlisted verbs. See the README for the architecture and the reasoning behind it.