Tfix is a password-protected app designed for German train drivers. Developed by Ralf Busch, this app is available only for Android and is free to use. The app is listed under the Business & Productivity category.

To access the app, you need to have a password, which you can obtain from the Tf-Portal. However, it is important to note that Tfix is only intended for the use of German train drivers and is not a replacement for KoRil or Vorschriften.

The app is created to provide information only and is not intended to be a substitute for any regulations or rules. The Tfix team wishes you a safe journey on your train ride.