Android anti-theft alarm app

Protect your phone from motion, unplugging, and tampering.

PocketSentry helps you notice suspicious activity fast with motion alerts, unplug alerts, Charge Guard, evidence photos, lock-screen evidence, voice warnings, and custom protection profiles.

Join the open test on Google Play See features

Designed for coffee shops, airports, hotels, gyms, libraries, offices, classrooms, shared spaces, and public charging stations. PocketSentry helps alert you quickly, but no app can guarantee theft prevention or device recovery.

Currently prepared for Android open testing. If the Play link is not available yet, check back shortly after Google Play review finishes.

PocketSentry anti-theft phone alarm promotional banner

Built for real-world phone protection

PocketSentry is not pretending to be magic. It helps make suspicious movement, unplugging, and tampering loud, visible, and harder to ignore.

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Motion alerts

Arm PocketSentry and get an alarm when your phone is moved after the arming delay.

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Unplug alerts

Trigger an alarm if someone disconnects your charger while protection is enabled.

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Charge Guard

Protect your device while it charges, even when the main motion alarm is not armed.

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Evidence photos

Optionally capture evidence photos during alarm events so you can review what happened.

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Lock-screen evidence

Capture evidence after failed PIN, pattern, or password attempts. Requires camera permission and device admin access.

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Voice warnings

Use built-in warnings or custom voice clips for a stronger, more personal alarm message.

Useful anywhere your phone is nearby, but not always in your hand

PocketSentry is made for the everyday moments where phones actually get moved, unplugged, or messed with.

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Coffee shopsArm your phone while it sits on the table beside you.

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Airports and travelUse alerts while waiting, charging, or resting nearby.

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Gyms and poolsKeep watch when your phone is near your bag or bench.

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Public chargingCharge Guard can alert you if your phone gets unplugged.

PocketSentry protect your phone anywhere promotional image

Simple setup. Stronger alerts.

Choose the protection you want, grant only the permissions needed for those features, then arm PocketSentry when your phone needs attention.

Set your local app PIN.
Used to access or disarm the app on your device.

Choose a protection profile.
Customize sensitivity, tones, voice warnings, and alarm behavior.

Enable optional protections.
Camera, lock-screen evidence, battery/reliability settings, and notifications are controlled by you.

Arm PocketSentry.
Let it watch for movement, unplugging, or suspicious tampering.

Privacy-first by design

A security app should not be creepy. Astonishingly high bar, yet here we are.

No account required for core app use.

Evidence photos stay on your device unless you choose to save gallery copies.

Optional features are explained before permissions are requested.

Lock-screen evidence requires Android device admin access and can be disabled by you.

Try PocketSentry early

Join the open test on Google Play and help improve PocketSentry before the full public release.

Join the open test