Go Safely


The Sentry App is a free personal attack alarm for your phone which is triggered using an on screen panic button


Personal Alarm

Choice of alarm sounds and flashing lights to attract attention and get help.


Free to download and free to use

No Set Up

No account creation or login


So simple to use, ready in seconds


Share Your


With the optional extra of an immediate alarm location message to your chosen contact.  Activated using an in app purchase, from only £1.99 per month (or equivalent in local currency).


Protect Your

Loved Ones

Share the App with friends & family to keep them safe.

System Technology



Click the icons for more info

Blinding Strobe

With strobe activated, bright flashes blast from the device’s flash light

Loud Alarm

Piercing 76dB alarm sound

Available Sounds : Free

Five piercing alarm sounds to choose from

Strobe Light : Free

Choose from four attention grabbing strobe lights

Panic Alarm ON/OFF : Free

When turned on the Panic Alarm appears on the home screen

Alert Support Network: Optional

Requires an in-app purchase. An alarm location SMS is sent immediately to your chosen contact if alarm is triggered

Get Started

Setup Guide

We have tried to make The Sentry App as easy and straightforward to download, set up and use as possible. But just in case you are having any difficulties getting started with the Sentry App we’ve made this video to help you get set up right away.