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KouChat

KouChat

Christian Ihle  |  Connectivity

8 Downloads 15 Views v1.1 1.82 MB 4.1+
Download APK

 (1.82 MB)

Editor's Overview

KouChat is a connectivity application developed by Christian Ihle, packaged as a single Android APK of version 1.1 weighing in at 1.82 MB. The package targets Android 4.1+ and above. Below you'll find the publisher's own description, a quick spec sheet, and a short buyer-beware checklist so you know exactly what you're installing before tapping download.

Install Checklist

  1. Only download through the button on this page — never from third-party mirrors or shortened links, which are the most common way malware spreads.
  2. File size is a light 1.82 MB, so it installs quickly even on modest connections.
  3. This build is signed by "Christian Ihle" — always verify the developer name matches what's listed on the app's official store page before installing an update.
  4. After install, Android may prompt you to allow "Install from unknown sources" — approve only this one install, then revoke the permission in Settings > Apps > Special access.
  5. We link directly to the APK file or the publisher's repository; we do not modify the binary. Always run a virus scan after any sideloaded install.

About this app

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.

Details

Versionv1.1
Size1.82 MB
DeveloperChristian Ihle
CategoryConnectivity
Packagenet.usikkert.kouchat.android
Android4.1+
Last UpdatedOct 30, 2026
Downloads8

Frequently Asked Questions

Is KouChat free to download?
Yes. The APK file linked from this page is free. The developer may offer in-app purchases once installed, but obtaining the installer itself costs nothing.

What Android version does KouChat require?
Android 4.1+ or newer. Installing on older devices may cause crashes or refuse to install.

Is KouChat safe to install?
We link to the exact APK published by Christian Ihle. We do not modify the file. Still, as with any sideloaded app, scan it with a reputable antivirus before opening it, and only grant permissions the app genuinely needs.

How do I update KouChat?
Install the newer version on top of the old one — Android will keep your data. If the signature differs, uninstall first (you may lose local progress).

Why is the app not installing?
Common causes: not enough storage, an older Android version than 4.1+, or a conflicting build already installed. Free up space, check your OS version, and uninstall any previous copy before retrying.

How to Download & Install KouChat

  1. Tap the Download APK button above and save the file to your device.
  2. Open your device Settings → Security (or Apps → Special access → Install unknown apps) and allow your file manager or browser to install unknown apps for this one file only.
  3. Open the downloaded net.usikkert.kouchat.android.apk file from your Downloads folder.
  4. Tap Install and wait for Android to finish.
  5. Open «KouChat» by Christian Ihle and grant only the permissions it actually needs.
  6. Revoke the "unknown sources" permission once you are done installing.

Note: this page hosts or links to the installer only. The application name, icon and description are provided for identification. All trademarks belong to their respective owners.