KouChat

Chat

Chat and transfer files with others on your WiFi network.

KouChat is a serverless LAN chat application for the desktop and Android.

With KouChat you can chat and send files to other KouChat users on the same local area network. It’s intended to be used on your wireless network at home, the coffee shop, work place or similar, and does not require any setup, Internet connection or servers to function.

See our user guide for more information about how to use KouChat.

Notes:

  • KouChat does not see users across the Internet or the cellular network.
  • Some devices have unreliable network when the screen is off.
  • Not all networks have multicast enabled, which is a technology required for KouChat to work.
  • See at the bottom for tips if you are having problems.

Features:

  • Group chat with all the connected users
  • Private chat with any user
  • Choose your own nick name
  • Set the topic of the group chat
  • Rich notifications
  • See who is currently writing
  • Send and receive files
  • Use away mode when you don’t want to be disturbed
  • Choose the color to use for your own messages, and info messages
  • Send messages in any language supported by Unicode.

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 1.1.1 (16) - Added on 2018-08-10

    This version requires Android ? or newer.

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

    Permissions
    • 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.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • 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.
    • allow Wi-Fi Multicast reception
      Allows the app to receive packets sent to all devices on a Wi-Fi network using multicast addresses, not just your phone. It uses more power than the non-multicast mode.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • control vibration
      Allows the app to control the vibrator.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.

    Download APK 2.5 MiB PGP Signature

  • Version 1.1.0 (15) - Added on 2016-09-05

    This version requires Android ? or newer.

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

    Permissions
    • 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.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • 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.
    • allow Wi-Fi Multicast reception
      Allows the app to receive packets sent to all devices on a Wi-Fi network using multicast addresses, not just your phone. It uses more power than the non-multicast mode.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • control vibration
      Allows the app to control the vibrator.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.

    Download APK 1.8 MiB PGP Signature