Pius-App is an unofficial iPhone application designed to enhance the experience of students at the Bischöfliches Pius Gymnasium Aachen. It serves as an extension to the school's official website, providing mobile-friendly access to important information.

The app offers a smart combination of the timetable and substitution plan, allowing students to easily keep track of their daily schedule. It provides an overview of today's substitutions, appointments, and the latest news. Additionally, users can access the current substitution plan and filter it by courses.

One of the standout features of Pius-App is its widget functionality. It includes a widget that displays the next substitution lesson, ensuring students are always aware of any changes. Furthermore, the app offers a convenient view of the Pius Gymnasium's calendar, complete with a search function.

To keep students informed, Pius-App also provides push notifications for any changes to their substitution plan. This ensures that students never miss important updates or adjustments.

Overall, Pius-App is a valuable tool for students at the Bischöfliches Pius Gymnasium Aachen, providing them with easy access to their timetable, substitution plan, and important school information in a user-friendly and convenient manner.