Show HN: Someone Was Here photographs whoever uses your Mac while you're away

4onthefloor124 · hn · 2026-11-10

A developer unveiled Someone Was Here, a macOS menu bar app that snaps a photo of anyone using your Mac while you're out (unlocked or password known) and alerts your iPhone if the face isn't yours. It uses Apple Vision plus local face recognition via Core ML, runs fully on-device with no tracking or ads. Real-time remote alerts come via a one-time $4.99 lifetime purchase, supporting Pushover, ntfy, Telegram or a webhook.

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