Peeku Guides
Understand how Peeku locks your Mac when you walk away, keeps all detection on-device, and coaches you towards healthier desk habits. Explore deep-dive guides on auto-lock, privacy design, and wellness.
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Check your Mac lock risk.
Answer a few questions about password timing, idle lock settings, and shared spaces, then choose the App Store coaching build or the full lock app.
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Start a 20-20-20 eye break timer.
Use the browser timer now, then install Peeku Presence Coach when you want eye-rest and walk reminders in your Mac menu bar.
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Calculate your Desk Health score.
Score today's eye breaks, walk breaks, long sitting stretches, and screen time before moving the habit into Peeku's Mac App Store build.
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Run one Mac walk reminder.
Start a browser movement timer for one desk stretch, then install Peeku Presence Coach when you want walk nudges in the menu bar.
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Check camera privacy before installing.
Use a no-camera checklist to verify permissions, the menu-bar camera indicator, and Peeku's local-processing promise.
Walk-away locking
How Peeku auto-locks when you walk away
Learn how Peeku combines face presence detection, Apple Watch proximity, and input activity to lock your Mac automatically and reliably.
Ways to auto-lock your Mac in 2026
Compare the native, Bluetooth proximity, Touch ID, and camera-presence approaches to locking a Mac, and see where each one fits.
Camera presence vs Bluetooth proximity
Two ways to tell that you have left the desk. See the honest trade-offs between on-device camera presence and a paired phone or watch.
Auto-locking at a shared desk or open office
A practical guide to locking your Mac the moment you step away, written for hotdesking, cafes, and open-plan offices.
Set up walk-away lock in about two minutes
A step-by-step setup: install Peeku, grant camera access, set the password requirement, enable auto-lock, and optionally pair an Apple Watch.
Using an Apple Watch to reinforce the lock
How Peeku uses the Watch as an optional proximity signal to reinforce camera-based walk-away locking, distinct from native Watch unlock.
Why your Mac is not locking automatically
macOS locks on an inactivity timer, not when you leave. The Lock Screen settings that control it, why it feels slow, and how presence detection closes the gap.
How to lock your Mac screen: every method
The Control-Command-Q keyboard shortcut, hot corners, the Apple menu, and the password setting that makes a lock secure, plus how to have the Mac lock itself.
How to lock your Mac from the Terminal
The command-line ways to lock a Mac that work on current macOS, the old CGSession command that no longer does, how to bind locking to one keystroke, and why a command still waits on your memory.
Does your Mac lock when it sleeps?
Sleep, closing the lid, and the screen saver do not lock a Mac on their own. The difference between each state, and the one setting that makes a dark screen a secure one.
Lock your Mac screen without putting it to sleep
Lock the screen for privacy while a download, render or backup keeps running. The keyboard shortcut that does it, how to stop the Mac sleeping during a long job, and how to lock automatically when you walk away.
Mac locks too fast? How to stop it
When a short inactivity timer locks your Mac while you are still reading or on a call, here are the settings that control it, the security cost of loosening them, and how presence-based locking removes the tradeoff.
How to lock your Mac remotely
Lock a lost or stolen Mac from another device with Apple's Find My, what it does on Apple silicon versus Intel, what happens when the Mac is offline, and the everyday unattended-desk gap a remote lock cannot close.
Is there a Dynamic Lock for Mac?
Coming from Windows Dynamic Lock? macOS has no built-in equivalent, only a time-based inactivity lock. What the Mac offers, the Bluetooth-proximity tools that match it literally, and how camera presence improves on the idea.
FileVault vs the lock screen
FileVault encrypts your disk for when the Mac is off; the lock screen protects your live session when you step away. What each one actually protects, the misconception that leaves an unlocked Mac exposed, and how to make the lock engage when you walk away.
Lock, log out or shut down?
Three ways to secure a Mac when you leave, and they are not interchangeable. What locking, logging out, and shutting down each protect, which fits a meeting, a shared Mac, or travel, and how to make the everyday lock automatic.
Privacy and on-device detection
Privacy-first design: why Peeku stays on-device
Discover why Peeku runs all detection locally, requires no account, and never uploads your camera feed or face data to any server.
How Mac face detection works without sending images
Explore the technical foundation: Apple's Vision framework, feature vectors, and the on-device math that detects your presence without storing photos.
Mac camera privacy myths and how to verify them
Separate fact from fiction about camera permissions on macOS. Understand LED control, indicator states, and how to verify Peeku respects your privacy.
How to completely uninstall Peeku
Because everything stays on your Mac, removal is fully local. Every file Peeku creates, the app, its settings and face-enrolment folder, the log and its preferences, and how to delete each one and clear the permissions.
Desk wellbeing
The 20-20-20 rule: easing eye strain at your Mac
Learn the optometry principle behind Peeku's eye-break coaching, how it works, and why regular look-away breaks are recommended for tired eyes.
Mac eye-break and posture apps compared
How timer-based break reminders and camera-based posture tools work, and how Peeku bundles eye-break and posture coaching alongside the lock.
Posture and movement coaching, built in
How Peeku's posture hints, walk reminders, and eye breaks work together on-device, alongside the lock that is already running.
Ready to lock your Mac privately.
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