Best Obstetrics Calculator Apps

217+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated April 2026

If you already know Obstetrics Calculator, this is the deeper bench. 217+ obstetrics calculator apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of April 2026.

Top Picks for Obstetrics Calculator

Obstetric Calculator Plus#2

Obstetric Calculator Plus by Mehdi Taghavi

Strong Contender
🏥 Medical
4.7(6 ratings)
Free
Obstetric Calculator Plus screenshot 1
Obstetric Calculator Plus screenshot 2
Obstetric Calculator Plus screenshot 3
Obstetric Calculator Plus screenshot 4
Obstetric Calculator Plus screenshot 5
Obstetric Calculator Plus screenshot 6

This application helps healthcare professionals calculate gestational age and estimated delivery dates for pregnant mothers using the last menstrual period and ultrasound data. It also provides BMI calculation to support comprehensive care.

MDCalc Medical Calculator#3

MDCalc Medical Calculator by MD Aware, LLC

Clinical Decision Support
Worth Considering
🏥 Medical
4.9😊(51K ratings)
Free
MDCalc Medical Calculator screenshot 1
MDCalc Medical Calculator screenshot 2
MDCalc Medical Calculator screenshot 3
MDCalc Medical Calculator screenshot 4
MDCalc Medical Calculator screenshot 5

A top medical calculator app offering over 550 clinical decision tools for healthcare professionals, with features like offline access, CME credit tracking, and customizable lists for quick use. Join now for quick, evidence-based patient care support on-the-go.

What We Love

  • ⭐ Excellent resource
  • 🔍 Helpful and accurate
  • 🔥 Essential for clinical practice
  • 🤖 Useful for medical students and residents

Room to Improve

  • 🐛 Crashes and bugs after updates
  • 🔒 Mandatory login/registration issues
  • 📱 Poor user experience on mobile devices

More Obstetrics Calculator apps to explore

4
Gestational Age (baby's age)
Gestational Age (baby's age)
Gestational Age (baby's age)
Calculator & Prenatal Care
Free

This application provides a quick and easy way to calculate gestational age and offers valuable information such as estimated delivery dates and fetal weight. It features a practical BMI calculator and allows users to track pregnancy progress, making it an essential tool for healthcare professionals and pregnant women.

🏥 Medical
(170)
5
OB Wheel & EDD Calculator
OB Wheel & EDD Calculator
OB Wheel & EDD Calculator
Pregnancy Wheel & Calculator
Free
$2.99 | 100% OFF
🏥 Medical
(0)
6
EDD - EGA calculator
EDD - EGA calculator
EDD - EGA calculator
Simple, Fast, Straightforward
Free
🏥 Medical
(0)
7
OB Wheels
OB Wheels
OB Wheels
by Joshua D. steinberg
Free

This application combines a calendar calculator, an interactive OB wheel, and a reference guide for reconciling due dates from LMP and sonograms, providing clinicians with a comprehensive tool for deriving essential dates in pregnancy care. Download the app to accurately determine EDD, gestational age, and reconcile due dates with ease.

🏥 Medical
(15)
8
FAST Pregnancy Calculator
FAST Pregnancy Calculator
FAST Pregnancy Calculator
For Healthcare Professionals
Free

This application helps healthcare professionals calculate a patient's gestation week based on their last menstruation period or previous ultrasound scans, providing a convenient solution for busy medical staff. By determining the gestation week, users can access information on the progress of the pregnancy, making it a helpful tool for physicians, midwives, nurses, and medical secretaries.

🏥 Medical
(4)
9
Perfect OB Wheel
Perfect OB Wheel
Perfect OB Wheel
Obstetrics calculator
$1.99

A comprehensive obstetrics calculator app offering flexible input options, speed, thorough results, accuracy, and data persistence. Upgrade to Perfect OB Tracker for enhanced pregnancy tracking features and HIPAA compliance.

🏥 Medical
(3.4K)
10
ACOG
ACOG
ACOG
by Fountainhead Mobile Solutions LLC
Free

Stay connected with authoritative information on women's health care with the ACOG app. Access valuable tools, guidelines, and resources for Ob-Gyns, including an EDD Calculator, Indicated Delivery suggestions, and the latest clinical insights. Download now for essential updates and assistance in your practice.

🏥 Medical
(6.3K)
11
Calculate by QxMD
Calculate by QxMD
Calculate by QxMD
Medical Calculator
Free

A next-generation clinical calculator and decision support tool designed for the medical community, featuring tools across various medical specialties to aid in diagnosis, treatment, and prognosis. Developed by clinician experts, it provides quick answers through unique 'Question Flow' technology and integrates recent research publications for practical use. Try it now to streamline your clinical decision-making process.

🏥 Medical
(5.1K)
12
Obstetrical Calculator
Obstetrical Calculator
Obstetrical Calculator
by Manuel Posadas
Free
🏥 Medical
(0)
13
OB Calc (cloud)
OB Calc (cloud)
OB Calc (cloud)
By a doctor, for doctors
Free

This application helps obstetricians efficiently calculate important test date windows for patients using various methods, including LMP, EDC, sonogram, and IVF. Try it for free for 7 days and access premium features with a low monthly subscription, allowing you to save patient data and sync across devices.

🏥 Medical
(5)
14
Gestational Age (by Medfolio)
Gestational Age (by Medfolio)
Gestational Age (by Medfolio)
Fast and Intuitive Calculation
Free

Easily calculate gestational age with a fast and intuitive mobile tool based on reputable medical guidelines. This app provides quick estimations, but always consult your healthcare provider for definitive medical advice.

🏥 Medical
(2)
15
Pregnancy Gestogram
Pregnancy Gestogram
Pregnancy Gestogram
by Isis Producciones y Cia. Ltda.
Free

This application helps expectant mothers track their pregnancy progress and access essential information about their baby's development and their own body changes. By simply inputting their last menstrual period, users can get detailed insights into fetal growth, estimated birth date, weight gain, and more, with weekly updates and multimedia resources.

💪 Health & Fitness
(6)
16
Calculator₊
Calculator₊
Calculator₊
Basic, Scientific, Plus Calc
Free

Try Calculator₊, the ultimate mathematics tool offering basic, scientific, and plus calculations. Ideal for homework, exams, and managing expenses, this app is like having a personal math tutor on your phone. Download now for easy and intuitive math solutions!

🔧 Utilities
(1.7M)
17
Calculator X: Math for iPad
Calculator X: Math for iPad
Calculator X: Math for iPad
Smart History, Plus Scientific
Free

Enhance your productivity with a free calculator app for iPad, iPhone, and Apple Watch. Download now to enjoy advanced features and join a community of satisfied users.

💰 Finance
(6.2K)
18
Perinatal Calculators
Perinatal Calculators
Perinatal Calculators
by David Deschamps
Free
🏥 Medical
(2)
19
Due Date Calculator: Fertility
Due Date Calculator: Fertility
Due Date Calculator: Fertility
For Fertility Treatments
Free

This fertility-specific pregnancy due date calculator helps determine the due date for women who have undergone fertility treatments, such as embryo transfer, IUI, and egg retrieval, as well as those who conceived naturally. Simply select the calculation method, enter the relevant date, and get an estimated due date, gestational age, and likely conception date.

🏥 Medical
(13)
20
Prego OB Wheel
Prego OB Wheel
Prego OB Wheel
Obstetrics calculator
$4.99

An obstetrics calculator application designed for quick and accurate pregnancy date calculations and patient tracking. Easily calculate pregnancy dates, determine gestational age, track patients, and save patient data with quick notes. Access saved patient information on one simple screen. Enjoy using the app and leave a review for others to discover its benefits.

🏥 Medical
(319)