Απουσίες Λυκείου - Πανελλήνιες is a free Android application developed by Nicholas Rallakis, a high school student himself. The app is designed to help high school students keep track of their absences and make sure they don't exceed the limit set by their school. The app is specifically created for students preparing for the Panhellenic exam and features a user-friendly interface that is easy to navigate.

The app allows students to record their absences and provides absence limits for GEL, ESPERINA, MUSIC, EPAL lyceum. Students can also check how close they are to the limit of absences and view useful details about each absence record. The absentee history feature provides a list of dates and the number of absences on each date.