A new macOS application, "Someone Was Here," has been released on the Mac App Store. This utility is designed to monitor Mac usage when the owner is not present. It automatically captures a photo of anyone who interacts with the Mac after it has been idle, or if they attempt to unlock or successfully unlock the screen.
Upon detecting activity, the app records details such as the time of access, how the user gained entry (e.g., tried lock screen, unlocked), and the duration of their session. These captured photos and details are then sent to a companion iPhone application. The iPhone app is free, and instant alerts to the phone are available as a one-time purchase of $4.99.
The application includes a setup process to learn the owner's face, preventing alerts for legitimate use. Photos are processed on the Mac itself. The app integrates with iCloud for photo delivery to the iPhone app and also supports other notification services like Pushover, ntfy, Telegram, or custom webhooks. The app operates discreetly, with no on-screen changes during monitoring, and provides a summary of activity when the owner returns.
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The "Someone Was Here" app for macOS takes a photo of anyone who uses a Mac while the owner is away, recording the time, access method, and duration of use. The app sends these photos to a linked iPhone app, with instant alerts available as a paid feature.