For German language learners who want to improve their grammar skills, Learn German B2 Test is a comprehensive app that offers a variety of exercises for the B2 level. Developed by Apps2all, this free app provides an extensive range of German grammar tests, exercises, and exams.

The app features all the grammar test topics related to German Professional Level B2, including grammar exercises, vocabulary exercises, and listening exercises. The exercises are designed to help learners better understand and deepen their understanding of advanced vocabulary and grammar rules. The app is easy to use and provides instant feedback to help learners identify their strengths and weaknesses.

Overall, Learn German B2 Test is an excellent app for German language learners who want to improve their grammar skills. Whether you're preparing for an exam or just want to practice your grammar, this app is a great tool to have in your arsenal.