Looking for a clear and flexible school timetable app? SchoolRoom, developed by Matthias Arndt, is a free iPhone application designed for organizing school schedules efficiently.

SchoolRoom boasts a variety of features, including the ability to create an unlimited number of timetables, customize start/end days and period durations, and display lesson times as row headers. Users can also set up to four alternating weeks, add notes/tasks per subject with optional reminders, and easily share timetables as graphics via email or export files for web downloads.

With additional functionalities such as AirDrop sharing, AirPrint for printing tables, a convenient Today Widget displaying current and upcoming lessons, Siri actions for iOS 12 or higher, and support for both portrait and landscape modes, SchoolRoom aims to streamline timetable management. Best of all, it's ad-free, registration-free, and has no hidden costs.