c3nav

Indoor navigation for the Chaos Communication Congress

This is the official Android app for c3nav, the map & indoor navigation software
at the Chaos Communication Congress which you can find at c3nav.de.

With this app, you get to use c3nav with native Android features, including:

* Easier navigation
* WiFi-based location
* Sharing locations
* Creating location shortcuts on your home screen

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 4.3.2 (14040302) suggested Added on Apr 01, 2024

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.
- 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 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.
- 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.
- discover and pair nearby Bluetooth devices
  
  Allows the app to discover and pair nearby Bluetooth devices
- connect and disconnect from Wi-Fi
  
  Allows the app to connect to and disconnect from Wi-Fi access points and to make changes to device configuration for Wi-Fi networks.
- 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.
- interact with nearby Wi-Fi devices
  
  Allows the app to advertise, connect, and determine the relative position of nearby Wi-Fi 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.
- install shortcuts
  
  Allows an application to add Homescreen shortcuts without user intervention.
Download APK 3.8 MiB PGP Signature | Build Log
Version 4.3.0 (14040300) - Added on Mar 30, 2024

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.
- 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 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.
- connect and disconnect from Wi-Fi
  
  Allows the app to connect to and disconnect from Wi-Fi access points and to make changes to device configuration for Wi-Fi networks.
- 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.
- interact with nearby Wi-Fi devices
  
  Allows the app to advertise, connect, and determine the relative position of nearby Wi-Fi devices
- install shortcuts
  
  Allows an application to add Homescreen shortcuts without user intervention.
Download APK 3 MiB PGP Signature | Build Log
Version 4.2.5 (14040205) - Added on Dec 30, 2023

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.
- 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 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.
- connect and disconnect from Wi-Fi
  
  Allows the app to connect to and disconnect from Wi-Fi access points and to make changes to device configuration for Wi-Fi networks.
- 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.
- install shortcuts
  
  Allows an application to add Homescreen shortcuts without user intervention.
Download APK 2.9 MiB PGP Signature | Build Log