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Trail Sense

Use your phone's sensors to assist with wilderness treks or survival situations.
New in version 0.5.1
- Change default compass algorithm (added legacy compass setting)
- Add more beacon sharing options
- Add hours to astronomy chart
- Astronomy chart reflects selected date
- See what the pressure was at a point on the graph
- Don't show beacons within 8 meters
- Bug fixes

Navigation


The compass can be used to determine the direction to North, and when combined with the GPS it can be used to navigate to predefined locations. The predefined locations, known as beacons, can be created while at a location and at any point you can use the compass to navigate back to where the beacon was placed.


Example beacons: home, work, trailhead, campsite



Weather


The barometer can be used to determine if the weather will change soon and if a storm is likely to occur. The barometric pressure history (last 48 hours) is displayed as a graph and an interpretation of the current reading is shown. If the pressure suddenly drops, a storm alert notification is sent.



Astronomy


View the sun/moon rise and set times and see the current phase of the moon at your exact location.



Privacy


All location data is stored on your device and the app does not use the Internet at all.



Permissions


Location (fine, background): Used for beacon navigation, True North, barometer altitude correction (in background), and sun/moon rise/set times

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.

Download F-Droid
  • Version 0.5.1 (8) suggested Added on 2020-06-20

    This version requires Android 6.0 or newer.

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

    Permissions
    • access precise location only in the foreground
      This app can get your exact location only when it is in the foreground. These location services must be turned on and available on your phone for the app to be able to use them. This may increase battery consumption.
    • android.permission.ACCESS_BACKGROUND_LOCATION
    • 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.
    • run foreground service
      Allows the app to make use of foreground services.

    Download APK 2.6 MiB PGP Signature | Build Log

  • Version 0.4.1 (6) - Added on 2020-06-07

    This version requires Android 6.0 or newer.

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

    Permissions
    • access precise location only in the foreground
      This app can get your exact location only when it is in the foreground. These location services must be turned on and available on your phone for the app to be able to use them. This may increase battery consumption.
    • android.permission.ACCESS_BACKGROUND_LOCATION
    • 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.
    • run foreground service
      Allows the app to make use of foreground services.

    Download APK 2.5 MiB PGP Signature | Build Log

  • Version 0.3.0 (4) - Added on 2020-06-02

    This version requires Android 6.0 or newer.

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

    Permissions
    • access precise location only in the foreground
      This app can get your exact location only when it is in the foreground. These location services must be turned on and available on your phone for the app to be able to use them. This may increase battery consumption.
    • android.permission.ACCESS_BACKGROUND_LOCATION
    • 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.
    • run foreground service
      Allows the app to make use of foreground services.

    Download APK 2.6 MiB PGP Signature | Build Log