Live sensor dashboard
Up to fifteen cards show what your phone senses right now: magnetic field, motion, light, battery temperature and more. Only the sensors your phone has appear, and each card updates every one to five seconds.
Sentinel
Be Safe With Sentinel
Sentinel is an Android assistant that watches the Wi-Fi, Bluetooth, mobile network and sensors around your phone and flags risky signals in green, yellow and red.
Store links will be added when each listing is ready.
About this app
Sentinel is an Android assistant for understanding the signals around your phone. It watches Wi-Fi networks, Bluetooth devices, mobile towers, NFC tags and supported phone sensors, then presents the results in simple cards and a live radar. Clear green, yellow and red states help you notice unusual conditions without pretending that a heuristic is proof of an attack.
Sentinel is designed for privacy: there is no account and no sign-in, and scan results stay on your phone. The optional speed check contacts a public test server for the duration of the test, and advertising may be shown in the app. Sentinel never connects to nearby Bluetooth devices or NFC cards.
Problem solved
Wireless and sensor signals are difficult to interpret at a glance. Sentinel brings the important readings together, highlights common warning signs and explains the limits of each check.
Value proposition
A clear, private and practical view of the signals around your Android phone, with understandable thresholds instead of unexplained technical numbers.
Getting started
Install Sentinel, grant only the permissions needed for the checks you want to use, and start a scan. Review the cards on the home screen, open a card for its explanation, or switch to Radar to inspect nearby signals. You can disable alarm sounds and restore purchases from Settings.
How to use
Sentinel collects readings that the Android system and device hardware make available. It groups them into sensor, Wi-Fi, Bluetooth, mobile-network, NFC and speed cards. Each card applies documented thresholds and reports green, yellow or red. The radar places one point for each detected item; distance represents signal strength, not direction.
Use cases
Checking a new Wi-Fi network; reviewing Bluetooth devices nearby; learning which mobile tower is serving the phone; watching sensor readings while travelling; checking NFC tags; and taking a quick network-speed measurement.
Target audience
Android users who want a simple awareness tool for nearby wireless signals and phone sensors. Sentinel is not a guarantee of safety and does not replace professional security analysis.
Support channels
For support, contact m5552555@gmail.com and include the phone model, Android version and a description of the issue. Do not send passwords, private keys or personal scan data.
Key features
Wi-Fi risk checks
Counts nearby networks and flags open networks, old WEP or WPA protection, and look-alike names seen with different security. Each flag is a heuristic, not proof of an attack.
Bluetooth and tracker alerts
Lists Bluetooth devices seen in the last 30 seconds and counts those that match known tracker signatures. The app never connects to a device.
Mobile network insight
Shows signal strength, the network generation from 2G to 5G, and every cell tower the phone reports, with the serving tower first. Tower IDs stay on screen and are never stored or sent.
Radar view
One blip for each Wi-Fi network, Bluetooth device, cell tower and NFC tag. Distance shows signal strength, not direction, and a tap opens the matching details.
Color-coded alarm
Every card turns green, yellow or red by clear thresholds, and an alarm sounds when any enabled card turns red. Each detail page explains what the reading means and where it falls short.
Frequently asked questions
Which platforms does Sentinel support?
Sentinel runs on Android.
What is the current version of Sentinel?
The current release is version 1.0.0.
Where can I download Sentinel?
There is no public store listing for this application yet. Contact us and we will tell you when one is published.
What data does Sentinel collect?
The full declaration is in the privacy policy for this application, published at /apps/sentinel/privacy/. It lists every data category collected, why it is collected, and whether it is shared.
How do I get support for Sentinel?
The support page is at /apps/sentinel/support/, and you can email m5552555@gmail.com directly.
Is Sentinel available in Arabic?
Yes. The application and its listing are available in Arabic and English.