This substitution plan app loads the substitution plan data from the online representation plan (https://vertretungsplan.leiningergymnasium.de/) to your mobile device. For this you have to enter your username and password in the app. This data is stored encrypted on your device. In addition, the app provides the ability to filter by school classes, levels, courses, or teachers to show only your relevant topics. An Euli Viewer is also integrated.