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To download iWeek Number from the Mac App Store, you need a Mac with OS X 10.6.6 or later. Learn More.

iWeek Number

By Petur Ingi Egilsson

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Week Number displays the current week number on top of the screen in the menu bar.

iWeek Number shows the week according to the ISO-8601 international standard, which is the standard used by most countries in defining when a new week starts. A new week always begins on a Monday and the first week of the year is the week that contains that year's first Thursday.

⇒ iWeek Number is a top selling app in over 30 countries.

Its features are namely
✔ ISO-8601
✔ Very fast to open
✔ Available in 16 languages
✔ Low memory usage and near 0.0% cpu usage
✔ Can be configured to automatically starts when your Mac is turned on


iWeek Number is available in the following languages


⚠ If you have any questions, comments or problems - please do not hesitate to contact me directly via email:

What's New in Version 2.4.1

Fixed a bug which caused the program to crash in week 48.


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iWeek Number
View in Mac App Store
  • USD 0.99
  • Category: Utilities
  • Updated:
  • Version: 2.4.1
  • Size: 0.9 MB
  • Languages: English, Danish, Dutch, Finnish, French, German, Hebrew, Icelandic, Lithuanian, Norwegian Bokmål, Polish, Russian, Spanish, Swedish, Ukrainian, Welsh
  • Developer:

Compatibility: OS X 10.6 or later, 64-bit processor

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