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Qz

Receive live traffic news via Traffic Message Channel (TMC)
New in version 2.2.0
Updates to location tables (AT, BE, CH, FI)
Show country in list of messages
Supply country code in TraFF output
Report correct road classes for BE, ES, LU, NL, SE, SK
Show tuning info (frequency and TMC service) in main application window
Substitute CC/LTN/SID where no TMC service name is available
Show relative date for messages from previous days
Add German UI
Allow screen to turn off when no tuner is connected
Reduce screen flicker in main application window
Add debug logging (RDS input, Tra
Receive live traffic news via Traffic Message Channel (TMC)

Qz (pronounced “queues”) connects to an RDS/TMC receiver to receive live traffic messages. TMC is transmitted in the RDS data stream of various radio channels and provides live traffic information, helping you avoid congestions.

For a list of countries in which this app can be used, see https://gitlab.com/mvglasow/qz/wikis/countries.

In order to use this app, you will need a supported RDS/TMC receiver. The following devices are currently supported:

* GNS FM9-BT (requires Bluetooth)
* Silicon Labs Si4701/4703-based USB tuners (requires USB OTG support)

If you are unable to pick up any traffic messages, despite having a supported device and being in an area which should be supported, check your antenna. Reception with pigtail antennas (a long piece of wire coming out of the receiver) is generally poor and insufficient for TMC. It is recommended to rely on your vehicle antenna, a building antenna or a somewhat decent room antenna.

Qz will only work with unencrypted TMC services (as encrypted services require paying a per-device royalty). Also, some countries have chosen to require paying a royalty for access to their location tables (which Qz needs to decode TMC locations) and are therefore not supported.

Photo by Joanna Pędzich-Opioła | CC_BY 2.0

Packages

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.

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  • Version 2.2.0 (20200) suggested Added on 2021-01-14

    This version requires Android 4.0 or newer.

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

    Permissions
    • 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.
    • 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.
    • 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.

    Download APK 21 MiB PGP Signature | Build Log

  • Version 2.1.0 (20100) - Added on 2019-01-13

    This version requires Android 4.0 or newer.

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

    Permissions
    • 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.
    • 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.

    Download APK 20 MiB PGP Signature | Build Log

  • Version 2.0.0 (20000) - Added on 2018-10-08

    This version requires Android 4.0 or newer.

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

    Permissions
    • 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.
    • 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.

    Download APK 17 MiB PGP Signature | Build Log