Unverified50% confidenceFactExact time
In macOS, each application identifies itself through a unique Bundle ID, which the system uses to manage preferences, data sandboxes, Keychain access permissions, and push notifications.
1
Sources
50%
Confidence
Long-term
Relevance
8/4/2026
First Seen
Sources
MacDupl：一键克隆Mac应用，实现多账号同时在线
Related Claims
UnverifiedWhen a user attempts to run multiple instances of the same application, macOS detects the identical Bundle ID and refuses to launch a second instance.77% similarUnverifiedmacOS provides an Accessibility API and system-level event listening mechanisms, allowing authorized apps to obtain context such as the active window, document title, and URL without invasive screenshots73% similarUnverifiedIn macOS's native file association mechanism, one UTI can only be bound to one default application and does not support dynamic decisions based on path, project context, or user state.69% similarVerifiedThe macOS Accessibility API was originally designed to help users with visual impairments and other disabilities use computers, and using this API requires users to explicitly grant accessibility permissions in System Preferences.68% similar
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