Phones & Tablets for DoorCheckr

DoorCheckr uses NFC technology to streamline school door security checks. Learn how to use Android phones and tablets to read and write NFC tags, perform manual door checks without NFC tags, and enable NFC on your device. Compatible devices are available on Amazon starting at ~$102.

Compatible Devices for NFC Tag Scanning

DoorCheckr’s Android app requires an NFC-enabled Android phone or tablet to scan NFC tags on school doors, ensuring fast and secure checks.

Android Phones Ulefone Armor X13, Samsung Galaxy A series, Google Pixel, Motorola Edge (Android 9.0+). Check device specs for NFC support.
Android Tablets: Ulefone Armor Pad 4 Ultra, Samsung Galaxy Tab, Lenovo Tab, ASUS tablets with NFC (e.g., ASUS Memo Pad 8 ME581CL). Verify NFC compatibility.
Available on Amazon: NFC-enabled devices start at ~$102. Shop now.
Chip Compatibility: Supports NTAG215, NTAG213, MIFARE Ultralight chips, readable by most NFC-enabled Android devices.

Manual Door Checks Without NFC Tags

If your school doesn’t use NFC tags or your device lacks NFC, DoorCheckr supports manual door checks via the web-based dashboard.

Access the DoorCheckr dashboard on any phone or tablet (Android, iOS) with a modern browser.
Select doors from a pre-configured list (e.g., “Main Entrance,” “Room 101”).
Log door status (locked/unlocked) and timestamp manually, no NFC required.
Ideal for schools transitioning to NFC or using the 30-Day Full-Version Trial.

How to Enable NFC on Your Android Device

Enable NFC to use DoorCheckr’s scanning feature for school safety checks.

Open the Settings app on your Android device.
Navigate to Connected Devices or Connections (varies by device).
Tap Connection Preferences or search for “NFC.”
Toggle Use NFC to On.
Install the DoorCheckr app from the Google Play Store and enable NFC permissions.

Ready to secure your school? Get an NFC-enabled Android device or use manual checks to start with DoorCheckr today.