School Information System (SIS) is an Android app designed to help parents and students stay informed and updated on student progress in school. Developed by Orbicode, SIS is a free mobile application that offers a wide range of features to help parents and students keep track of their academic performance.

SIS offers a powerful digital grade book that allows parents and students to monitor their grades in real-time. Additionally, SIS provides real-time notifications and notices about student grades, behavior marks, and attendance. The app also includes a school calendar and timetable, which helps parents and students stay on top of important dates and deadlines. SIS offers separate login accounts for parents and students, ensuring that personal information is kept secure. Moreover, SIS is multilingual; it is available in English, Bosnian, Croatian, Serbian, and other languages. Finally, SIS works offline, making it easy to access information even when there is no internet connection.