package icon

AirGuard - AirTag protection

AirGuard dectects trackers that are used for stalking and warns you.
New in version 2.7.0
NEW: AirGuard is now available in 6 new languages: Italian, Czech, Slovak, French, Russian and Traditional Chinese
NEW: Added option in settings to prevent screenshots
NEW: Added option in settings (expert mode only) to configure how long tracker data is saved and after which time it should be deleted
NEW: Map now shows the radius in which a location was found
IMPROVED: The articles on the home screen are rendered more beautifully and are now compatible with the dark mode
IMPROVED: The articles
With AirGuard, you get the anti-stalking protection you deserve!
The app scans your surroundings in the background to detect trackers like AirTags, Samsung SmartTags, or Google Find My Device trackers. If a tracker is following you, you will receive an instant notification.

These trackers are often no larger than a coin and are unfortunately misused to secretly track people. Since each tracker works differently, you would typically need multiple apps to detect unwanted tracking.
AirGuard combines the detection of various trackers into a single app – keeping you protected with ease.

Once a tracker is detected, you can make it play a sound (for supported models) or perform a manual scan to locate it. If you find a tracker, we recommend disabling it to prevent further tracking of your location.

The app stores location data exclusively on your device, allowing you to review where a tracker has followed you. Your personal data is never shared.

If no trackers are found, the app runs silently in the background and won’t bother you.

How does the app work?
AirGuard uses Bluetooth to detect AirTags, Samsung SmartTags, and other trackers. All data is processed and stored locally on your device.
If a tracker is detected in at least three different locations, you will receive a warning. You can adjust the security level in the settings to receive even faster alerts.

Who are we?
We are part of the Technical University of Darmstadt. This project is part of the scientific research conducted by the Secure Mobile Networking Lab.
Our goal is to protect people’s privacy and investigate how widespread the issue of tracker-based stalking is.

You can voluntarily participate in an anonymous study to help us gain more insights into the usage and spread of these trackers.

This app will never be monetized – there are no ads and no paid features. You will never be charged for using it.

Our privacy policy can be found here:
https://tpe.seemoo.tu-darmstadt.de/privacy-policy.html

Legal Notice
AirTag, Find My, and iOS are registered trademarks of Apple Inc.
This project is not affiliated with Apple Inc.
  • app screenshot
  • app screenshot
  • app screenshot
  • app screenshot
  • app screenshot
  • app screenshot
  • app screenshot
  • app screenshot
  • app screenshot
  • app screenshot
  • app screenshot
  • app screenshot
  • app screenshot
  • app screenshot
  • app screenshot

Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 2.7.0 (58) suggested Added on Nov 29, 2025

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 9.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • access location in the background
      This app can access location at any time, even while the app is not in use.
    • access approximate location only in the foreground
      This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
    • access precise location only in the foreground
      This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • pair with Bluetooth devices
      Allows the app to view the configuration of the Bluetooth on the phone, and to make and accept connections with paired devices.
    • access Bluetooth settings
      Allows the app to configure the local Bluetooth phone, and to discover and pair with remote devices.
    • connect to paired Bluetooth devices
      Allows the app to connect to paired Bluetooth devices
    • discover and pair nearby Bluetooth devices
      Allows the app to discover and pair nearby Bluetooth devices
    • run foreground service
      Allows the app to make use of foreground services.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • show notifications
      Allows the app to show notifications
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
      (9.0)
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • Schedule precisely timed actions
      This app can schedule work to happen at a desired time in the future. This also means that the app can run when you're not actively using the device.
      (12L)
    • Schedule alarms or event reminders
      This app can schedule actions like alarms and reminders to notify you at a desired time in the future.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
      (9.0)
    • de.seemoo.at_tracking_detection.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 10 MiB PGP Signature | Build Log

  • Version 2.6.2 (56) - Added on Nov 13, 2025

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 9.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • access location in the background
      This app can access location at any time, even while the app is not in use.
    • access approximate location only in the foreground
      This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
    • access precise location only in the foreground
      This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • pair with Bluetooth devices
      Allows the app to view the configuration of the Bluetooth on the phone, and to make and accept connections with paired devices.
    • access Bluetooth settings
      Allows the app to configure the local Bluetooth phone, and to discover and pair with remote devices.
    • connect to paired Bluetooth devices
      Allows the app to connect to paired Bluetooth devices
    • discover and pair nearby Bluetooth devices
      Allows the app to discover and pair nearby Bluetooth devices
    • run foreground service
      Allows the app to make use of foreground services.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • show notifications
      Allows the app to show notifications
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
      (9.0)
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • Schedule precisely timed actions
      This app can schedule work to happen at a desired time in the future. This also means that the app can run when you're not actively using the device.
      (12L)
    • Schedule alarms or event reminders
      This app can schedule actions like alarms and reminders to notify you at a desired time in the future.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
      (9.0)
    • de.seemoo.at_tracking_detection.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 9 MiB PGP Signature | Build Log

  • Version 2.6.0 (54) - Added on Sep 13, 2025

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 9.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • access location in the background
      This app can access location at any time, even while the app is not in use.
    • access approximate location only in the foreground
      This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
    • access precise location only in the foreground
      This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • pair with Bluetooth devices
      Allows the app to view the configuration of the Bluetooth on the phone, and to make and accept connections with paired devices.
    • access Bluetooth settings
      Allows the app to configure the local Bluetooth phone, and to discover and pair with remote devices.
    • connect to paired Bluetooth devices
      Allows the app to connect to paired Bluetooth devices
    • discover and pair nearby Bluetooth devices
      Allows the app to discover and pair nearby Bluetooth devices
    • run foreground service
      Allows the app to make use of foreground services.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • show notifications
      Allows the app to show notifications
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
      (9.0)
    • run at startup
      Allows the app to have itself started as soon as the system has finished booting. This can make it take longer to start the phone and allow the app to slow down the overall phone by always running.
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • Schedule precisely timed actions
      This app can schedule work to happen at a desired time in the future. This also means that the app can run when you're not actively using the device.
      (12L)
    • Schedule alarms or event reminders
      This app can schedule actions like alarms and reminders to notify you at a desired time in the future.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
      (9.0)
    • de.seemoo.at_tracking_detection.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 9 MiB PGP Signature | Build Log

Find Apps