Datum is a minimalistic iOS, watchOS and macOS calendar app.

The iOS and macOS apps include the following widgets:

• a small widget that shows the current date and at the bottom the events for this day
• a small widget that shows a calendar with up to 3 event marks for each day
• a medium widget that shows the same as the first small widget and on the right side a calendar with up to 3 event marks for each day
• a large widget that shows the same as the medium widget and a list of the upcoming events