Out of 249+ pregnancy calculator apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
Compare top Pregnancy Calculator Apps (October 2026)
This app helps healthcare practitioners and pregnant women track pregnancy progress. It calculates gestational age, estimated due dates, and fetal weight using various formulas. It also offers helpful tips and recommendations for diet, exercise, and antenatal care.
Track your pregnancy week-by-week with expert advice, daily articles, and interactive 3D models of your baby's development. Features include a due date calculator, kick counter, and tools to plan for labor and organize appointments. Join millions of expecting parents worldwide.
What We Love
๐ Excellent pregnancy tracking app
๐ Informative and useful features
๐ก Realistic 3D baby visuals
๐ Helpful weekly updates and articles
๐ Convenient appointment and weight tracking
๐ Seamless transition to Baby+ app
Room to Improve
๐ Inaccurate due date and week calculations
๐ Bugs with loading articles and content
๐ฐ Paywall after 14 weeks
๐คทโโ Lack of customization and personalization
๐คทโโ Limited support for twin/multiple pregnancies
This medical app helps healthcare professionals quickly calculate pregnancy gestation weeks using last menstrual period dates or ultrasound scan data. It provides pregnancy progress information and is designed for busy medical staff.