The Stork - Pregnancy App is an Android-based application developed by Der Storch. This free app is designed to help expectant mothers keep track of their pregnancy and all the important data they need to be informed. With its easy-to-use interface, the app calculates important pregnancy data based on the first date of the user's last period.

The app provides comprehensive information, including the expected date of birth, the number of days until birth, the week of pregnancy, the size and weight of the baby, and weekly images of the baby's development. The app also includes a widget that allows users to view their pregnancy information directly from their home screen.

Overall, The Stork - Pregnancy App is a useful tool for expectant mothers looking to stay informed and organized throughout their pregnancy.