Now available for Apple Silicon MacBooks
Knock twice. Everything disappears.
KnockKnock turns the motion sensor in your MacBook into a boss key.
Knock anywhere on the base and every window hides behind a spreadsheet.
Knock again and it all comes back.
Windows visible
Double click anywhere along the base to knock thereDouble tap anywhere along the base to knock there
No shortcut to remember. No reaching for the trackpad. Your hand is already there.
How it works
Two knocks. That is the whole interface.
- 01
Knock twice
Tap anywhere on the base of your MacBook. The built in motion sensor feels it.
- 02
Everything hides
Windows vanish, sound mutes and your decoy app slides in.
- 03
Knock to bring it back
Every window returns right where it was.
Smart detection
Knows a knock from your typing.
Typing and clicking never count.
Moving or sliding the laptop is filtered out.
Desk bumps are measured against the background noise.
Calibrated to your Mac in four knocks.
Motion sensor
LiveFeatures
Small app. Covers every exit.
Decoy app
Any app you pick becomes the only thing on screen.
Mutes the evidence
Background audio goes silent the moment you knock.
Triple knock actions
Lock the screen, mute the mic or sleep the display.
Full screen covered
Apps that refuse to hide get your wallpaper, a black screen or your image.
Private by design
Detection runs on your Mac. Nothing leaves it.
Lives in your menu bar
A Liquid Glass panel and no Dock icon.
Available now
$5. Once.
- Up to 3 Macs
- All future updates
- Pay once, no subscription
Works on MacBooks with M2 or later, or M1 Pro.
FAQ
Questions, answered.
MacBook Air and MacBook Pro with M2 or later, plus M1 Pro models. It does not work on base M1 MacBooks or on desktop Macs.
Knock knock. Who's there? Nobody.