CSUN is a free mobile application developed by California State University Northridge that provides easy access to campus services and resources. The app is designed for current and prospective students, graduates, and fans of the university. With updated features as of July 2019, CSUN offers a variety of tools to help users stay informed and connected to the campus community.

The app includes a range of features such as Academics, Enrollment, My Financial Aid, and Student Directory. Users can also access Account Summary, Athletics, Dining, Emergency Info, Employee Directory, and Employee eTravel (for CSUN staff only). In addition, the app provides Indoor Maps, Library, Map, Moodle, News, Personal Information, Photos, Police Services, Purchase Parking, Safety, Social Media, SRC, Tour, Transit, Tutorial, USU, and Video. Overall, CSUN is an excellent tool for anyone looking to stay connected to the California State University Northridge community.