ShoulderGuard

Protect your Mac screen from shoulder surfers in an instant.

ShoulderGuard is a discrete, premium macOS utility that automatically shields your screen when unauthorized onlookers are detected.

• Smart DetectionInstantly recognizes if an onlooker is standing behind you.
• No Screen RecordingWe never capture or record your screen. 100% local, private-by-design.
• Ultra-LightweightBuilt in native Swift. 0% CPU/GPU overhead to preserve your battery.
• Owner-Only LockRegister your face signature. The screen stays locked if a stranger sits at your desk.