ShiftCalendar is a calendar designed for people working in shifts. Customize the start time, duration and color of the shifts, and attach notes to your shift days. Allows you to backup and restore calendar data. You can use patterns to easy setting your repetitive shifts. ¡Easy and fast Free version si ad supported. Buy ShiftCalendar Plus in order to obtain a home screen widget, go to date or shift reports. You can export your data from free to paid version simply saving and restoring a backup. Suggestions are always welcome.