HomeAppsProductivityOne CalendarApps like One Calendar Here are some great alternatives to One Calendar by Code Spark : Week Calendar - Smart Planner ★3.7 Calendar+ Schedule Planner ★3.6 CalendarSync - CalDAV and more ★4.0 Business Calendar ★4.1 Calendar Planner ★4.2 Calendar+ Schedule Planner ★4.0 Morgen Calendar & Task Manager ★4.3 149 Live Calendar & ToDo List ★4.4 Business Calendar 2 Planner ★4.6 CalenGoo Calendar Trial vers. ★3.3 CalenGoo - Calendar and Tasks ★4.5 Fossify Calendar ★4.4 Business Calendar Pro ★4.3 BlackBerry Hub+ Calendar ★3.3 Calendar Pro - Agenda ★4.3 Calendar ★4.3