SDÜ is a free Android application developed by Suleyman Demirel Universitesi that is specially designed for students, faculty, and staff. The app provides a range of features that make campus life more convenient and organized. With SDÜ, users can view the event list, search for on-campus locations, receive grade notifications from the Student Information System, and access Institute Information System. Additionally, users can search for personnel, follow news and announcements, and receive notifications.

The app also provides information on daily food menus, the academic calendar, and messages from various units and departments. Users can chat with other members of their unit and personalize their profile with an avatar system. The app provides access to the university's official social media accounts and allows users to reserve spots at the Dining Hall and Library.

With the Online Payment System feature, users can load money into their account, receive weekly receipts, and suspend meals. Turnstile passes can be provided with a cardless QR code, and the feedback system allows users to send separate requests and complaints to each unit. Overall, SDÜ is a comprehensive and user-friendly app that simplifies the day-to-day lives of university students.