This program shows an overview calendar for any year in the 20th or 21st century. It shows the days of the week, as well as the week numbers. You can use pinch gestures and double-tap to zoom in and out. The week numbers comply with the ISO 8601 standard.

Sidenote: At the time of posting this program has been marked as beeing freely available without any costs. As this program is hosted with the AppStore the status might change. Authors like to publish their programs for free and / or for promotion purpose and then start charging.

http://appshopper.com/productivity/yearview