ISO+US week numbers

Keeping track of week numbers have never been easier!

Universal week number app (iPhone + iPad) with widget and Apple Watch app with complications

Week/Date calculator

Quick and easy way to
-Find dates for week number
-Find week number for date

iOS8 widget

Customizable notification center widget with two different styles and selectable colors and font.

Home screen badge

Current week number can be shown as an icon badge that updates every week.

week numbers for calendar

Insert week numbers as events in your calendar. Both US and ISO week numbers are available.

Apple Watch App

Week numbers on your wrist.Pick style and color.

Apple Watch complications

Always know the week number

iPad support

Universal app for both iPhone and iPad.


Pick style and color theme for app, widget and Apple Watch app separately

Week numbers is available in
English, Spanish, French, German, Norwegian, Swedish and Danish.

Created by - Attribution License 3.0 - 2013