Seoul Digital University Mobile Service, also known as Mobile SDU, is an Android application developed by 서울디지털대학교. This educational and reference app is designed to provide a convenient learning experience for students of Seoul Digital University, a cyber university that offers four-year bachelor's degree programs.

The main features of Seoul Digital University Mobile Service include real-time online lectures, a WiFi lecture download function to consider communication fee burdens, and the ability to attend lectures both in real-time and through downloadable recordings. Students can watch lectures on both PC and mobile devices, and even retake courses taken in previous semesters, with support for retakes and downloads available for four years after the class.

In addition to these features, the app also offers lectures after accreditation, fingerprint, and SMS verification, course attendance support with streaming and downloading capabilities, and a last class service that provides unlimited course support for four years after the class. Students can also check quizzes and assignments, access lecture boards, check the final exam schedule, and confirm their earned credits and taken courses.

Seoul Digital University Mobile Service requires access to storage space in order to save lectures, voice files, teaching plans, and bulletin board attachments. It also requires access to the user's mobile phone ID for lecture file DRM application. Additionally, the app may collect service usage records and device information such as IP address, cookies, visit time, and bad usage records.

For further information or support, users can contact Seoul Digital University Mobile Service at.