Week numbers for iOS, Apple Watch, widget, icon badge and calendar events all in one app!

- ISO standard or US week numbers
- Easy conversion between dates and week numbers
- Select number of weeks per swipe for your repeating events
- Customizable widget
- Apple Watch support with complications
- Add week numbers as calendar events
- Current week number as icon badge

You can choose between one or more systems for week numbers:
-ISO 8601 system (Week starts on Monday. Used in most European countries)
-US system (Week starts on Sunday)

What’s New

Version 2.0

Week numbers has been totally redesigned with a beautiful look and completely new Apple Watch App with complications
WatchOS 1 and 2 are no longer supported, but you really should update your watch, WatchOS 3 is awesome!

Ratings and Reviews

4.5 out of 5
8 Ratings

8 Ratings

Matt007hew ,

More options

Great app... is there a possibility of adding more options? Such as starting the first day of the week with Saturday..... And making any week in the calendar week number 1.... not all companies use these options currently built in this app

Developer Response ,

Thank you, glad to hear you love the app. All these options sounds possible. Please send an email to so we can discuss further details around your request.

coogan1 ,

Nice app

Was looking for a calendar that just does what this does. Great app.

Sí me gustó ,




Trond Rossvoll
8.8 MB

Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.


English, Danish, French, German, Norwegian Bokmål, Spanish, Swedish

Age Rating
Rated 4+
© Trond Rossvoll


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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