SlapMac — Mac download

Compatibility is tight. SlapMac needs a MacBook with a built-in accelerometer. Impact detection asks for an M1 Pro chip or later. The new Lid Creak feature requires M2 Pro or newer. It runs on macOS 14.6 and supports both Intel and Apple Silicon machines.

One task: responding to a tap

You set sensitivity first. A light tap on the palm rest triggers a short sound; a firmer strike produces a louder reaction. The menu bar keeps a running slap counter. Choose from 9 voice packs and over 150 sounds. Volume scales with impact strength, so a nudge and a smack land differently.

• Open the app and pick a voice pack.
• Adjust the sensitivity slider to ignore light brushes.
• Tap the MacBook chassis. The app reads the accelerometer data and plays a sound.
• Check the menu bar counter to see the session tally.

Beyond impacts

Two features react to hardware events without a tap. The hinge sensor applies a desktop tilt and blur effect as the lid closes. USB Moaner plays a sound when you connect or disconnect a USB device. Both work alongside the core impact reactions.

Lid Creak Needs an M2 Pro or Later Chip

Lid Creak stays silent on M1 Pro machines. That is not a bug — the hinge sensor effect needs M2 Pro or later hardware. If you upgraded from an older release and expected it to work, a chip check saves time.

Sensitivity set too high turns every palm shift into a sound. Pull the slider back to about 30 % and test with a deliberate tap. The cooldown timer can also mask rapid hits; shorten it in preferences if you want faster reactions.

USB Moaner ignores hubs. Plug the device directly into a MacBook port for the app to notice it. Background apps that block microphone or sensor access do not interfere — SlapMac reads only the accelerometer.

Combo Hit Adds a Screen Flash During Presentations

• Combo Hit’s screen flash works as a visual cue during presentations — enable it in the voice pack settings.
• The slap counter resets when you quit the app. Keep it open in the menu bar to preserve a session count.
• Voice packs like Goat and Metal layer well: switch packs mid-session and the app remembers your last sensitivity value.
• Lid close blur intensity follows macOS Reduce Motion settings. Turn that off for the full desktop tilt effect.

• New — Lid Creak reacts to opening and closing the lid with a desktop tilt effect.
• New — USB Moaner plays a sound when plugging or unplugging USB devices.
• New — A slap counter now sits in the menu bar.

• macOS 14.6 or later
• Built-in accelerometer
• M1 Pro or later for impact detection
• M2 Pro or later for Lid Creak
• Intel and Apple Silicon supported