Know the moment a trusted Mac app changes owners.
permcheck snapshots the developer identity and signing certificate of every app you've installed — and pings you the instant one quietly changes hands.
In 2024, Bartender was silently sold to an analytics company. It kept its screen-recording permissions and pushed an update signed by a brand-new developer. macOS said nothing. The only tool that caught it shut down in January 2026.
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- Alerts when an installed app's developer ID or certificate changes
- Flags apps that hold sensitive permissions (screen recording, accessibility, full disk access)
- Runs quietly in your menu bar — checks happen on-device, nothing leaves your Mac