USAL is the official app of the University of Salamanca, available for Android devices. Developed by UNIVERSITAS XXI S.T.U., this app is free to download and comes with no ads. It is designed to cater to the needs of everyone associated with the university, including students, faculty, staff, alumni, and guests.

For students, the app provides access to their grades, class schedules, enrollment dates, academic certifications, justifications, and notifications, among other things. Meanwhile, faculty members can view their assigned courses, student groups, research projects, and other relevant information.

For faculty and staff, the app offers access to payroll information, attendance records, completed training courses, tax certificates, notifications, and more.

Alumni can use the app to stay up-to-date with the university's activities, mentoring programs, awards, events, and other exclusive benefits.

For guests and visitors, the app provides information on the university's history, academic offerings, social outreach, international programs, campus facilities, news and events, sports, emergency services, and much more.

Overall, USAL is a comprehensive and user-friendly app that serves as a one-stop-shop for all things related to the University of Salamanca.