Top im Abi is an education and reference application available for Android devices, developed by Westermann Digital GmbH. This free app is the optimal complement to the book series Top im Abi, which explains all test-relevant high school subjects in a compact form. The app offers an interactive multiple-choice test with 100 questions per test relevant specialist, covering 10 subjects: Biology, Chemistry, German, English, Geography, History, Mathematics, Music, Physics, Politics, and Business.

The app has a simple user interface with a Mantel-App that offers three Lite versions (German, English, Mathematics) to try out for free. It also provides solutions aids, a favorites function, and tips for exam preparation. The app can be used offline, making it easy to study anytime, anywhere.