PocketSchool is a free iPhone application developed by Fabian Geistert that caters to students' daily needs. The app offers a comprehensive suite of tools that includes a timetable, homework tracker, grade calculator, calendar, exam schedule, vacation planner, attendance tracker, and reminders.

One of the standout features of PocketSchool is its offline-first functionality, meaning that the app can be accessed at any time, even without an internet connection. Plus, the app can be synced with all your devices, making it easier to stay on top of your schoolwork. Overall, PocketSchool is an excellent resource for students who want to stay organized and on top of their studies.