Week Numbers - Calendar Weeks vs CW 1 to 53 Usage & Stats
This App adds calendar week numbers (week 1, week 2, ...) to the standard iPhone or iPad calendar
You can choose the calendar, where the calendar week numbers should be displayed. There is no need for a second calender App anymore for this task.
You can choose the days of the week, where the week numbers should be displayed. For example only the first day of the week, or all days of the week.
You can choose between two different week number schemas:
• Weeks starts on Monday: This is the standardized version (DIN 1355 / ISO 8601) and is used for example in Europe.
• Weeks starts on Sunday: This is used in the USA, Canada, Australia and New Zealand.
If you sync your iPhone calendar with iCloud, MS Exchange or with your Mac or PC, the calendar week numbers will also be synced.
Enjoy this great and helpful App
- Apple App Store
- Free
- Productivity
Store Rank
- -
In the business sector, planning based on calendar weeks is indispensable. It is therefore very advantageous to always keep an eye on the current calendar week in addition to the current date.
This app offers the following features:
• Support of all types of watch face complications available for the Apple Watch
• All calendar weeks of the current year and the past/future years can be listed at the touch of a finger
• All complications can be visually adapted to the most diverse design requirements
• Support for week numbering schemes ISO8601 (Monday -> Sunday) and US (Sunday -> Saturday): the used week numbering scheme can be changed in the app settings
• Standalone Apple Watch App, no connection to an iPhone is required
• iOS/iPadOS App which shows a plain calendar week list where you can copy&paste a specific week information to the clipboard
• The app is translated for the languages English and German
- Apple App Store
- Free
- Productivity
Store Rank
- -
Week Numbers - Calendar Weeks VS. 
CW 1 to 53January 7, 2026