Crack – Turn your MacBook into a squeaky door

In plain words

Crack is a macOS application that produces squeaky door sound effects on MacBooks. Designed for users seeking novelty sound applications, it transforms a computer into an audio device capable of generating this specific sound. The app appeals to those interested in prank tools, sound design experimentation, or simply unusual entertainment software. It launched in March 2026 and is available through its dedicated website.

written from the facts on this page · September 2026

From the sources

Turn your MacBook into a squeaky door. Every lid movement triggers a satisfying creak. Reads the built-in AppleHID lid sensor at 60fps to detect the slightest movement. Playback speed maps to lid velocity — slow creaks and fast snaps sound completely different. Haunted door cracks, cat meows, alien whispers, whale songs, wind effects, and more. All generated in real-time. No dock icon, no windows. Just a tiny menu bar icon to toggle, adjust volume, and pick sounds. Under 1 MB. Near-zero CPU usage. Built natively in Swift with AVAudioEngine. MIT licensed. Signed and notarized by Apple. No tracking, no telemetry, nofrom crackmacapp.com

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