This app is like a Swiss pocket knife for sacristans. The checklist, which you can crochet from entry by entry, ensures that nothing is forgotten. The works are entered via the options.The toolbar at the top shows the liturgical color of the current day. If something special occurs, this can be entered in a watch list. This task appears on the corresponding day, then in the middle of the display. So everything is thought of.To plan the church year, a list of all the feast days and their dates can be displayed. The names of the feast days are colored in the liturgical color of the respective feast day.Operations can be transferred directly to the calendar from the app.