The Pregnancy Calculator: Due Date app offers a comprehensive set of features including a due date calculator based on the last menstrual period, weekly updates on fetal development, a pregnancy countdown, personalized tips and reminders, a weight tracker, and a contraction timer to assist during labor.

The app provides an estimated due date based on information like the first day of the last menstrual period. While it follows standard medical guidelines, factors such as cycle irregularities or early ultrasounds can influence accuracy. It’s best to consult with a healthcare provider for the most precise estimate.

Yes, the app is free to download and includes basic features at no cost. It also offers in-app purchases for premium features such as advanced tracking, personalized content, and an ad-free experience, but these are optional and not required for core functionality.

Yes, the app supports tracking multiple pregnancies simultaneously, making it useful for mothers expecting twins or managing various pregnancies over time. Users can switch between profiles to get personalized updates and support for each pregnancy.

Yes, the app is available for both Android and iOS devices. It can be downloaded from the Google Play Store and the Apple App Store, providing a seamless experience across both platforms.