B1 Schreiben Deutsch Brief is an Android app developed by SNQ INFORMATIK that focuses on helping users prepare for the Level B1 German Writing Exam. The app offers a variety of themes and many letters to read and practice with.

The interface is simple and user-friendly, making it easy for users to navigate through the app. The app has various categories, including formal letters, informal letters, job application letters, and more. Each category contains multiple letters that users can read and practice writing.

One of the best features of the app is that it provides feedback on the user's writing. This feedback helps users identify their mistakes and improve their writing skills. The app is available for free, making it accessible to anyone who wants to practice their German writing skills.

Overall, B1 Schreiben Deutsch Brief is a helpful app for those preparing for the Level B1 German Writing Exam. It provides a variety of letters to practice with and offers feedback to help users improve their writing skills.