This app calculates estimated due dates for pregnancy, particularly for those undergoing fertility treatments like embryo transfer or IUI. It can also determine due dates based on ovulation or natural conception.

238+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our due date caculate list covers 238+ iPhone apps updated through August 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 4.6★ (13) | No | No | May 2026 | |
| 2 | Free | 1.0★ (3) | No | No | May 2026 | |
| 3 | Free | — | Yes | Yes | Aug 2026 | |
| 4 | Free | — | No | No | May 2026 | |
| 5 | Free | — | No | Yes | Aug 2026 | |
| 6 | Free | 4.2★ (54) | Yes | Yes | Aug 2026 | |
| 7 | Free | 4.1★ (132) | No | Yes | Aug 2026 | |
| 8 | Free | 1.0★ (5) | No | Yes | May 2026 |

This app calculates estimated due dates for pregnancy, particularly for those undergoing fertility treatments like embryo transfer or IUI. It can also determine due dates based on ovulation or natural conception.


Calculate your baby's estimated due date based on your last menstrual period. This app provides a countdown to your baby's birth, helping you track your pregnancy.








This app helps pregnant individuals and healthcare providers track pregnancy progress. It calculates due dates, gestational age, and milestones based on various inputs, offering helpful tips for a healthy pregnancy.




This app helps you track your pregnancy, calculate your due date, and understand each stage. It provides week-by-week summaries of your baby's development and your body's changes, allowing you to log notes for later review or to share with your doctor.


Calculate and track your pregnancy journey with customizable widgets and weekly insights. Stay informed about your baby's development and find motivation with parenting quotes. Perfect for expecting mothers.


Estimate key pregnancy dates, including conception, due date, and trimester milestones. Input your last menstrual period to receive personalized date calculations for various pregnancy stages.


This app calculates the time between two dates in various units, including months, weeks, days, and business days. It allows users to save calculations, set countdowns to important events, and track durations for both personal and professional use.




This app guides expectant mothers through each stage of pregnancy, week by week. It provides insights into baby development and bodily changes, acting as a calculator and tracker. Features include kick counting and contraction timing.


Easily solve date math problems with multiple calculation options. This intuitive app helps you find the difference between dates, add or subtract days, and calculate workdays. It's simple and user-friendly for all your date-related needs.


Easily calculate the difference between dates, add or subtract days, and create custom countdowns. Personalize your workweek and skip specific dates for accurate workday calculations. Track events with home screen widgets and receive timely notifications.


This medical app provides a comprehensive suite of tools for calculating gestational age, estimated due dates, and various risk assessments related to pregnancy and women's health. It includes calculators for maternity leave, cervical assessments, and cancer risk estimations, designed for healthcare professionals.




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.


Easily calculate the difference between dates, including business days, with side-by-side calendars. Add or subtract time periods and integrate with your device's calendar for event viewing and management.


This medical app helps calculate Estimated Due Date (EDD) and Estimated Gestational Age (EGA). It offers two methods for calculation: using the Last Menstrual Period (LMP) or a provided EDD from Ultrasound (USS). The interface is designed for simplicity and speed.


Calculate future or past dates from a specific start point, or get the current date and time. Includes a custom keyboard for fast date entry in other applications and supports various date formats.


Easily calculate the duration between two dates and times. Add or subtract days and time to a specific date to find future or past events. Share your calculations and see results in various units like days, weeks, months, years, hours, minutes, and seconds.