Sentinel NFC is made and published by Causeway. AppBrain is an independent app data site and isn't affiliated with Causeway. The app name, icon, screenshots and description belong to Causeway and are shown as published on Google Play.
AppBrain's verdict
Established- Installs
- 61 thousand
- Last updated
- September 10, 2026
- Ads
- No ads
- Size
- 10.9 MB
Sentinel NFC has 61 thousand installs. It doesn't have enough ratings yet to judge what users think.
User feedback
Ratings and reviews on Google PlayComments on Sentinel NFC for Android
Store listing
By Causeway, from Google Play“This app reads Sentinel smartcards for use with Network Rail’s Sentinel system.”
Description by Causeway Written by the developer, not by AppBrain. Click to read.
For more information visit www.railsentinel.co.uk
The app allows anyone to check their own smartcard and also allows authorised card checkers to authenticate their team as well as undertake spot checks and check TVPs (Track Visitor Permits).
Sentinel cards can be checked by scanning the QR code on the front of the card or TVP, or via NFC where this is enabled on your device. To read a Sentinel card via NFC, when prompted hold it in contact with the rear of your device until the card has been read successfully.
This app can be used with any Android smartphone or tablet (Android 4 and above) with a rear-facing autofocus camera and NFC. Sentinel smartcards can be read securely using NFC, as these devices read information from the smartcard’s microchip electronically. Internet access is not required to read smartcards using NFC. The smartcard’s microchip can be checked using NFC with no internet availability whatsoever. However if internet access is available when reading a card using NFC, any updates for that card from the new Sentinel database are transferred automatically to the smartcard.
All smartcard checking activities are uploaded automatically to the database when an internet connection is present or will be uploaded later when connectivity is restored by re-launching the app.
To use NFC, make sure it’s enabled in the settings of your smartphone before you attempt to read any cards.
The application is easy to use:
1. Open the app.
2. If using NFC, hold the new Sentinel smartcard to the back of your device OR click the QR code button and focus the camera on the card’s QR code.
3. Confirm the sponsor for today.
4. Depending on the card presented, either the card itself will be shown or a menu of options will be displayed for authorised card checkers.
5. Follow the on screen options (more detailed instructions on using the app are available at www.railsentinel.co.uk)
Recent changes:
Required for use with Sentinel 3.2
Safety and technology
Found in the app by AppBrain- Ads
- No ads
- Price
- Free
- Libraries
- 9
- App size
- 10.9 MB
- Needs Android
- 6.0+
- Content rating
- Everyone
Technologies used by Sentinel NFC
Releases
Updates seen on Google Play- Version
- 3.2.0
- Launched
- June 2013
Alternatives
Similar apps and more from CausewayAlternatives to Sentinel NFC
More from Causeway
Installs
Tracked by AppBrain- Last 30 days
- 1 thousand
- Per day
- 34
- 30-day average
- Play install range
- 50+ thousand
- Launched
- June 2013
Installs over time
Sentinel NFC has been installed 61 thousand times. Over the past 30 days, it averaged 34 installs per day.
Rankings
Google Play top chartsGoogle Play Rankings for Sentinel NFC
About the app and developer
About Sentinel NFC
Sentinel NFC is a business app developed by Causeway.
How many times has Sentinel NFC been downloaded?
Sentinel NFC has been downloaded 61 thousand times. In the last 30 days, the app was downloaded 1 thousand times.
What is the rating of Sentinel NFC?
Sentinel NFC has no ratings yet.
Is Sentinel NFC free?
Sentinel NFC is free. The APK size is 10.94 MB. The latest APK version available is 3.2.0. The last update was on September 10, 2026.
What are the requirements for Sentinel NFC?
Sentinel NFC requires Android 6.0+ or higher. The app has a content rating of Everyone. The APK has been available on Google Play since June 2013.
App Performance Report
Get a detailed PDF report for Sentinel NFC with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for Causeway
Frequently asked questions about Sentinel NFC
Is Sentinel NFC free?
Yes. Sentinel NFC is free on Google Play.
Is Sentinel NFC still available?
Yes. Sentinel NFC is on Google Play, and the last update we saw was on September 10, 2026.
Does Sentinel NFC contain ads?
No. Google Play does not list Sentinel NFC as containing ads.
What Android version does Sentinel NFC require?
Sentinel NFC runs on Android 6.0 and higher.
How large is Sentinel NFC?
Sentinel NFC is 10.94 MB.
Is Sentinel NFC suitable for children?
Google Play rates the content of Sentinel NFC as suitable for everyone.
How many times has Sentinel NFC been installed?
Google Play lists 50,000+ installs for Sentinel NFC.
Who made Sentinel NFC?
Sentinel NFC was developed by Causeway. It is listed in the business category on Google Play.
What are the best alternatives to Sentinel NFC?
People looking at Sentinel NFC also look at these business apps: NFC TagInfo, NFC Reader, NFC Check, Credit Card Reader NFC (EMV), NFC Emulate: Card Wallet.