Best Due Date Calculator Baby Apps

242+ iOS apps curated and reviewed

4.1 avg rating
19 free apps
Updated August 2026

Whether you're new to due date calculator baby or looking for an upgrade, our curated collection of 242+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Due Date Calculator Baby Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Due Date Calculator: FertilityDue Date Calculator: FertilityFree4.6★ (13)NoNoMay 2026
2Pregnancy Due Date Quickly Calculator - Pregnant,Baby Tracker,Countdown Birth CalendarPregnancy Due Date Quickly Calculator - Pregnant,Baby Tracker,Countdown Birth CalendarFree1.0★ (3)NoNoMay 2026
3Due Date DashboardDue Date DashboardFree5.0★ (2)NoNoMay 2026
4Track My Pregnancy Due Date AITrack My Pregnancy Due Date AIFree4.1★ (132)NoYesAug 2026
5BabyCenter Pregnancy TrackerBabyCenter Pregnancy TrackerFree4.9★ (295K)YesNoAug 2026
6Pregnancy Tracker: Due DatePregnancy Tracker: Due DateFreeYesYesAug 2026
7Date and Time CalculatorDate and Time CalculatorFree4.7★ (9.7K)YesNoAug 2026
8EDD - EGA calculatorEDD - EGA calculatorFreeYesNoJul 2026

Top Picks for Due Date Calculator Baby

Due Date Calculator: Fertility#1

Due Date Calculator: Fertility by ViralMD

For Fertility Treatments
Editor's Choice
🏥 Medical
4.6(13 ratings)
Free
Due Date Calculator: Fertility screenshot 1

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.

Due Date Dashboard#3

Due Date Dashboard by Alin Nomura

Worth Considering
💪 Health & Fitness
5.0(2 ratings)
Free
Due Date Dashboard screenshot 1
Due Date Dashboard screenshot 2
Due Date Dashboard screenshot 3

Track pregnancy progress with detailed countdowns. View remaining time in various units like weeks, days, or even hours. Personalize your experience by adding your baby's name.

More Due Date Calculator Baby apps to explore

4
Track My Pregnancy Due Date AI
Track My Pregnancy Due Date AI
Track My Pregnancy Due Date AI
Baby Countdown - Calculator
Free

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.

Calculate and track due dateCustomizable countdown widgetsWeek-by-week pregnancy information
🏥 Medical
(132)
free with in-app purchases
5
BabyCenter Pregnancy Tracker
BabyCenter Pregnancy Tracker
BabyCenter Pregnancy Tracker
Track Baby Daily & Get Rewards
Free

This app helps you track your pregnancy week-by-week, monitor your baby's development, and access expert advice. It also offers a loyalty program for exclusive discounts and a community forum for support.

Week-by-week pregnancy tracking3-D fetal development videosLoyalty program for discounts
🏥 Medical
(295K)
free with in-app purchases
6
Pregnancy Tracker: Due Date
Pregnancy Tracker: Due Date
Pregnancy Tracker: Due Date
Baby Growth Week by Week
Free
💪 Health & Fitness
(0)
7
Date and Time Calculator
Date and Time Calculator
Date and Time Calculator
by 山 钟
Free

Calculate the exact number of days, hours, and seconds between any two dates. This tool also allows you to find the date before or after a specified period, making it useful for tracking deadlines, events, or financial products.

Calculate time between any two datesSecond-level precisionCalculate future dates
🔧 Utilities
(9.7K)
ad-supported
8
EDD - EGA calculator
EDD - EGA calculator
EDD - EGA calculator
Simple, Fast, Straightforward
Free

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 EDD using LMPCalculate EDD using USSCalculate EGA
🏥 Medical
(0)
ad-supported
9
The Date Calculator PRO
The Date Calculator PRO
The Date Calculator PRO
Calculate days between dates
Free

Easily calculate the duration between two dates, with or without accounting for the time of day. You can also add or subtract various time units from a specific date. The results are automatically converted into multiple units for your convenience.

Calculate duration between two datesInclude time of day in calculationsAdd/subtract years, months, weeks, days
🔧 Utilities
(2.6K)
free with in-app purchases
10
Date Calculator Plus
Date Calculator Plus
Date Calculator Plus
Time, Dates, and Calendar
Free
🔧 Utilities
(0)
11
Obstetrics Calculator
Obstetrics Calculator
Obstetrics Calculator
by Alexander Snegirev
Free

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.

Gestational age and due date calculationMultiple calculation methods (LMP, ultrasound, IVF)Maternity leave timeframe estimation
🏥 Medical
(1)
free with in-app purchases
12
Pregnancy Due Date Calc+
Pregnancy Due Date Calc+
Pregnancy Due Date Calc+
Weeks, Baby Growth & Community
Free

Calculate your pregnancy due date and track your baby's growth week by week. Prepare for your baby's arrival with helpful tips, explore names, and connect with a supportive community of mothers.

Accurate due date calculationWeekly baby growth trackingHospital bag checklist
🏥 Medical
(3)
free
13
Day Calculator
Day Calculator
Day Calculator
by Alejandro Barrientos
Free
🔧 Utilities
(0)
14
Pregnancy Calculators Pro
Pregnancy Calculators Pro
Pregnancy Calculators Pro
Maternity and Motherhood
Free

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.

Gestational age calculationEstimated due date (EDD) calculatorFetal weight estimation
💪 Health & Fitness
(0)
ad-supported
15
Pregnancy Baby Tracker - WTE
Pregnancy Baby Tracker - WTE
Pregnancy Baby Tracker - WTE
Track Development & Growth
Free

This app guides you through pregnancy and early parenthood with weekly updates, development trackers, and expert advice. It helps you monitor your baby's growth, manage symptoms, and connect with other parents.

Week-by-week pregnancy trackerDue date calculatorBaby development and growth tracking
🏥 Medical
(378K)
free with in-app purchases
16
Pregnancy Due Date, Calculator
Pregnancy Due Date, Calculator
Pregnancy Due Date, Calculator
Conception Date & Calendar
Free

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.

Complete pregnancy calculatorWeek by week pregnancy updatesRecord pregnancy notes
💪 Health & Fitness
(55)
free with in-app purchases
17
Date Calendar Calculator
Date Calendar Calculator
Date Calendar Calculator
Calculate Calendar Date & Time
Free

This app helps you calculate date and time durations, add or subtract time from dates, and determine working days. It also converts between calendars and time zones, and estimates ovulation and pregnancy due dates. The design is simple and intuitive.

Calculate date and time durationsAdd/subtract time from datesCalculate working days
🔧 Utilities
(29)
free with in-app purchases
18
Pregnancy Due Date
Pregnancy Due Date
Pregnancy Due Date
by Malay Patel
Free

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.

Estimate conception datesCalculate highest fetal risk datesDetermine organ forming dates
💪 Health & Fitness
(5)
free with in-app purchases
19
Date Wheel date calculator
Date Wheel date calculator
Date Wheel date calculator
by Creative Algorithms
$4.99

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.

Calculate time between datesUnits: months, weeks, days, business daysSave and manage calculations
💼 Business
(97)
paid
20
Date Time Calculator Free
Date Time Calculator Free
Date Time Calculator Free
Best tool for date and time
Free

Calculate the difference between two dates, add or subtract days and weeks, and get information about specific days. It helps you determine the number of days until important events or calculate future dates based on a given duration.

Calculate days between two datesAdd/subtract days and weeks from a dateDetermine weekday and week number
🔧 Utilities
(2)
free

FAQ about Due Date Calculator Baby

What are the best due date calculator baby apps for iPhone?
Due Date Calculator: Fertility tops our due date calculator baby apps ranking as of August 2026, with a 4.6-star average from 13 App Store ratings, and it's free to download.
Yes — 19 of the top due date calculator baby apps we rank are free to download, including Due Date Calculator: Fertility and Pregnancy Due Date Quickly Calculator - Pregnant,Baby Tracker,Countdown Birth Calendar.
Due Date Calculator: Fertility has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 242+ due date calculator baby apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
The Due Date Calculator app is primarily used to calculate estimated pregnancy due dates, especially for individuals who have undergone fertility treatments such as embryo transfer, IUI, or egg retrieval. It can also calculate due dates based on ovulation or natural conception.
Pregnancy due dates are estimations, and most women deliver within a two-week window before or after their anticipated due date. The app provides the most accurate estimation possible based on the data entered.