Best Gestation Calculator Apps

250+ iOS apps curated and reviewed

4.5 avg rating
18 free apps
Updated August 2026

If you already know EDD, this is the deeper bench. 250+ gestation calculator apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top Gestation Calculator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1EDD - EGA calculatorEDD - EGA calculatorFreeYesNoJul 2026
2Animal Pregnancy CalculatorAnimal Pregnancy CalculatorFree1.8★ (5)NoNoAug 2026
3Obstetrics CalculatorObstetrics CalculatorFree5.0★ (1)YesYesAug 2026
4Gestation Calculator - POG CalGestation Calculator - POG CalFreeNoNoMay 2026
5Gestational Age Calculator AppGestational Age Calculator AppFreeYesNoAug 2026
6OB Wheel Due Date CalculatorOB Wheel Due Date CalculatorFreeNoYesSep 2026
7Perfect OB WheelPerfect OB Wheel$1.994.9★ (3.6K)NoYesSep 2026
8Gestational Age (baby's age)Gestational Age (baby's age)Free4.9★ (193)YesYesSep 2026

Top Picks for Gestation Calculator

EDD - EGA calculator#1

EDD - EGA calculator by Kunlepaints Ltd

Simple, Fast, Straightforward
Editor's Choice
🏥 Medical
0.0(0 ratings)
FreeAds
EDD - EGA calculator screenshot 1
EDD - EGA calculator screenshot 2
EDD - EGA calculator screenshot 3

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.

5.0(1 ratings)
FreeAdsIn-App Purchases
Obstetrics Calculator screenshot 1
Obstetrics Calculator screenshot 2
Obstetrics Calculator screenshot 3
Obstetrics Calculator screenshot 4
Obstetrics Calculator screenshot 5
Obstetrics Calculator screenshot 6

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.

More Gestation Calculator apps to explore

FAQ about Gestation Calculator

Are there free gestation calculator apps for iPhone?
Yes — 18 of the top gestation calculator apps we rank are free to download, including EDD - EGA calculator and Animal Pregnancy Calculator.
EDD - EGA calculator shows ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 250+ gestation calculator apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
EDD - EGA calculator can calculate your Estimated Due Date (EDD) using two methods: either by inputting your Last Menstrual Period (LMP) or by using a previously provided EDD from an Ultrasound (USS).
EDD stands for Estimated Due Date, which is the projected date of childbirth. EGA, or Estimated Gestational Age, refers to the duration of the pregnancy in weeks and days from the LMP.

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