Motion Alarm

JasperCherry

About this app

Motion Alarm turns your phone into an anti-tamper alarm.

Place it anywhere, arm it, and if someone moves it, the alarm goes off.

No accounts. No internet. No data collection.

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HOW IT WORKS

Pick a preset, press Set Alarm, and place the phone during the countdown.
The screen goes black and monitoring begins. Any movement fires the alarm.
Press and hold to disarm.

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PRESETS

Desk — on a table while you step away. Sensitive, short timers.
Transit — in a bag on a train. Least sensitive, so vibration doesn't
trigger it, but a real lift does.
Door — on a handle or in a drawer. Tuned for rotation, 20s to leave.

One tap sets both sensitivities and both timers.

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WHEN IT FIRES

• Looping siren at full volume
• Screen flashes white, red and blue
• Camera flashlight strobes
• Hold-to-disarm up to 20 seconds, so nobody silences it in a hurry

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CONTROLS

• Acceleration sensitivity — lifting, shaking, impact
• Gyroscope sensitivity — rotation, tilt, angle changes
• Time to arm and time to disarm — 1 to 20 seconds each
• Warning period — a silent 3-second countdown first, cancelled with one
tap, so your own bump doesn't fill the room with noise
• Silent alarm — siren off, flash and strobe only
• Flashlight strobe — on or off

Live readings show each sensor as a percentage of your threshold. 100% is
the trigger point, so you can see exactly how much movement it takes.

Screen stays awake and dimmed while monitoring. Tabs lock while armed.
Settings save automatically. Full manual built in.

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PRIVACY

Nothing is collected, stored off your device, or sent anywhere. Camera
permission is used only for the flashlight — no photos or video are ever
captured.

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Keep the app open while it monitors. Raise your volume before arming.

Set it. Leave it. If it moves, you'll know.