Best Obstetrics Calculator Apps

211+ iOS apps curated and reviewed

4.4 avg rating
19 free apps
Updated June 2026

If you already know Obstetrics Calculator, this is the deeper bench. 211+ obstetrics calculator apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 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
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Obstetric Calculator Plus screenshot 3
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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.

More Obstetrics Calculator apps to explore

4
MDCalc Medical Calculator
MDCalc Medical Calculator
MDCalc Medical Calculator
Clinical Decision Support
Free

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.

🏥 Medical
(51K)
5
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)
6
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)
7
EDD - EGA calculator
EDD - EGA calculator
EDD - EGA calculator
Simple, Fast, Straightforward
Free
🏥 Medical
(0)
8
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)
9
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)
10
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
(181)
11
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)
12
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)
13
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)
14
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)
15
OB Wheel
OB Wheel
OB Wheel
Due Date Calculator
Free

This pregnancy journey companion app helps expectant mothers and healthcare professionals track pregnancy milestones with accuracy and ease, offering features such as due date calculation, fetal development tracking, and health tips. Download now and start your journey to motherhood with confidence and joy!

🏥 Medical
(7)
16
Obstetrical Calculator
Obstetrical Calculator
Obstetrical Calculator
by Manuel Posadas
Free
🏥 Medical
(0)
17
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)
18
OB Wheel for Pregnancy
OB Wheel for Pregnancy
OB Wheel for Pregnancy
Due date trimester calculator
Free

This comprehensive pregnancy companion app provides expecting mothers and medical professionals with intuitive tools to calculate due dates, track trimesters, and determine measurements, offering a personalized and accurate experience. Download the app today to transform your pregnancy journey with essential information, guidance, and peace of mind.

🏥 Medical
(27)
19
Calculator Pro Lite
Calculator Pro Lite
Calculator Pro Lite
Best Calculator
Free

A versatile and customizable calculator app offering basic and scientific functions, memory features, history tape, and various layout options. Users can personalize their color themes, access scientific functions, and easily perform complex calculations, all with ad-supported convenience. Explore the app now for a powerful and user-friendly calculation experience!

🔧 Utilities
(3K)
20
Calculator 3.0
Calculator 3.0
Calculator 3.0
Calculations Simplified
Free

A versatile and user-friendly calculator application for Apple devices, featuring themes, haptic feedback, tip calculation, unit conversion, and more. Simplify your calculations with Calculator 3.0 - available now for free on Apple Watch, iPhone, iPad, and iMessage!

🔧 Utilities
(3.5K)