Week in Status Bar is a free Android app developed by Brunnlechner - Apps made in Germany. It is a small and lightweight app that displays the current calendar week (KW) on the notification area of your smartphone. This app is perfect for people who want to keep track of the current week without opening their calendar app.

The app is only 0.2MB in size and does not require any special permissions or resources. It is also completely ad-free, making it a clean and simple app to use. The app is available for download on the Google Play Store and is compatible with most Android devices. Overall, if you are looking for a simple and convenient way to display the current calendar week on your phone, Week in Status Bar is definitely worth checking out.