Brief schreiben b1 is a free Android app developed by sadotchok that aims to help users improve their German writing skills. The app offers a range of exercises and sample letters specifically designed for the B1 level of the Common European Framework of Reference for Languages (CEFR). The program is compatible with Android 9.0.

With Brief schreiben b1, users can learn the basics of writing formal and personal letters, including addressing the recipient, structuring the content, and using appropriate language. The app provides a variety of templates and exercises to help users practice their writing skills and prepare for the Schreiben Deutsch A1, A2, and B1 exams.

Overall, Brief schreiben b1 is a useful tool for anyone looking to improve their German writing skills, especially those preparing for the B1 level exam. The app's simple interface and clear instructions make it accessible for users of all skill levels.