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Traffic Light

Track your network and data usage with privacy
New in version 3.4.2
Enhancements:
- Add test duration setting

Bugfixes:
- Fix iPerf3 on Android 17
- Fix data plans not loading
- Fix prediction ignoring the selected data type, app, and direction
- Fix widget not updating when the plan reset date or configuration changes
- Fix tracking not resuming after an app update
Traffic Light is an open-source tool for tracking your network usage while ensuring total privacy. Inspired by Internet Speed Meter and GlassWire.

Features:
- Free and open source
- Uses few permissions
- Uses less battery
- No tracking
- Beautiful UI
- Fast and modern

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 3.4.2 (56) suggested Added on Oct 27, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 9.0 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • 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.
    • android.permission.ACCESS_LOCAL_NETWORK
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • view Wi-Fi connections
      Allows the app to view information about Wi-Fi networking, such as whether Wi-Fi is enabled and name of connected Wi-Fi devices.
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "specialUse"
      Allows the app to make use of foreground services with the type "specialUse"
    • 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.
    • android.permission.PACKAGE_USAGE_STATS
    • show notifications
      Allows the app to show notifications
    • android.permission.POST_PROMOTED_NOTIFICATIONS
    • 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.
    • control vibration
      Allows the app to control the vibrator.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • com.leekleak.trafficlight.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
    • moe.shizuku.manager.permission.API_V23

    Download APK 6.6 MiB PGP Signature | Build Log

  • Version 3.4.1 (55) - Added on Oct 25, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 9.0 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • 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.
    • view Wi-Fi connections
      Allows the app to view information about Wi-Fi networking, such as whether Wi-Fi is enabled and name of connected Wi-Fi devices.
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "specialUse"
      Allows the app to make use of foreground services with the type "specialUse"
    • 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.
    • android.permission.PACKAGE_USAGE_STATS
    • show notifications
      Allows the app to show notifications
    • android.permission.POST_PROMOTED_NOTIFICATIONS
    • 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.
    • control vibration
      Allows the app to control the vibrator.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • com.leekleak.trafficlight.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
    • moe.shizuku.manager.permission.API_V23

    Download APK 6.6 MiB PGP Signature | Build Log

  • New in version 3.2
    Network speed tracking:
    - Reworked the under-the-hood logic
    - Should now be accurate both with regular and split-tunneling VPN connections
    - Please report any unforeseen issues

    Enhancements:
    - Allow editing existing data plans
    - Many UI enhancements
    - A few big dependency bumps and migrations and general polish

  • Version 3.2 (50) - Added on Sep 09, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 9.0 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "specialUse"
      Allows the app to make use of foreground services with the type "specialUse"
    • android.permission.PACKAGE_USAGE_STATS
    • show notifications
      Allows the app to show notifications
    • android.permission.POST_PROMOTED_NOTIFICATIONS
    • 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.
    • control vibration
      Allows the app to control the vibrator.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • com.leekleak.trafficlight.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
    • moe.shizuku.manager.permission.API_V23

    Download APK 6.3 MiB PGP Signature | Build Log