Best Lmp Calculator Apps

249+ iOS apps curated and reviewed

3.2 avg rating
19 free apps
Updated September 2026

EDD is the household name in lmp calculator, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Lmp Calculator Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1EDD - EGA calculatorEDD - EGA calculatorFree—YesNoJul 2026
2Gestational Age (baby's age)Gestational Age (baby's age)Free4.9★ (193)YesYesSep 2026
3Pregnancy Calculators ProPregnancy Calculators ProFree—YesNoMay 2026
4OB WheelsOB WheelsFree2.3★ (15)NoNoAug 2026
5OB Calc (cloud)OB Calc (cloud)Free5.0★ (5)NoYesJul 2026
6Calculator - Basic & NoAdsCalculator - Basic & NoAdsFree2.0★ (1)NoNoMay 2026
7Calculator ۬Calculator ۬Free—NoYesSep 2026
8Smart - Scientific CalculatorSmart - Scientific CalculatorFree3.0★ (1)YesNoMay 2026

Top Picks for Lmp 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.

Gestational Age (baby's age)#2

Gestational Age (baby's age) by Daniel Correia

Calculator & Prenatal Care
Strong Contender
🏥 Medical
4.9(193 ratings)
FreeAdsIn-App Purchases
Gestational Age (baby's age) screenshot 1
Gestational Age (baby's age) screenshot 2
Gestational Age (baby's age) screenshot 3
Gestational Age (baby's age) screenshot 4
Gestational Age (baby's age) screenshot 5
Gestational Age (baby's age) screenshot 6

This app helps healthcare professionals quickly calculate gestational age, estimate due dates, and track prenatal care. It offers tools for monitoring pregnancy progress, including clinical charts, fetal weight estimation, and patient history organization.

More Lmp Calculator apps to explore

FAQ about Lmp Calculator

Are there free lmp calculator apps for iPhone?
Yes — 19 of the top lmp calculator apps we rank are free to download, including EDD - EGA calculator and Gestational Age (baby's age).
EDD - EGA calculator shows ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 249+ lmp calculator apps on the iOS App Store as of September 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.