SBF Binnen is an Android application designed to help you pass the official Sport Boat License exam for inland waterways. The app provides an intelligent learning system with various features such as the Leitner flashcard system, "Unsichere Fragen" learning mode, and multiple-choice hints. It also includes a complete list of all the official exam questions and answers, along with explanations in the included textbook.

You can customize your learning experience by choosing which boat license you already have, creating your own question list, and searching for specific questions and answers. The app also provides a detailed graphical statistics report of your learning progress, including original images for better understanding.

The app works offline, and you don't need an internet connection to use it. However, some features are only available in the premium version. SBF Binnen is free to download and use, making it a great app for anyone looking to pass the Sport Boat License exam.