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Android Apps > Medical > Obstetric Calculator
App profile & analytics · Medical · Data updated 2026-10-15
Obstetric Calculator icon

Obstetric Calculator

by Alexander Snegirev · Free · Version 5.0.4

“Comprehensive ObGyn toolkit: Due Date Calculator, Fetal Weight, and more.” the developer's tagline

Availability On Google Play since November 2018 ↗
Rating on Google Play
4.22/5
1,055 ratings
At a glance AppBrain's trailer of this app, made from our data
Rating
4.22
1,055 reviews
Total installs
1.1
million
Installs, last 30 days
9.9
thousand
Best rank
#47
Top Free, Medical, Mexico
Last updated
October 11, 2026
5.0.4
AppBrain's verdict EstablishedPopularWell rated

Obstetric Calculator is popular, with 1.1 million installs. Users rate it well: 4.2 stars from 1,055 ratings. Its best ranking is #47 in Top Free, Medical in Mexico.

Obstetric Calculator is made and published by Alexander Snegirev. AppBrain is an independent app data site and isn't affiliated with Alexander Snegirev. The app name, icon, screenshots and description belong to Alexander Snegirev and are shown as published on Google Play.

About Obstetric Calculator

Obstetric Calculator is a medical app developed by Alexander Snegirev.

Install Statistics

Obstetric Calculator has been installed 1.1 million times. In the last 30 days, the app was installed 9.9 thousand times. It is ranked in the top 100 medical apps.

User Ratings

Obstetric Calculator is rated 4.22 out of 5 stars. The rating is based on 1.1 thousand ratings.

App Information

Obstetric Calculator is freely available from Google Play. The app size is 9.43 MB. The latest version available is 5.0.4. The last update was on October 11, 2026.

Technical Requirements

Obstetric Calculator requires Android 4.1+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since November 2018.

Description by Alexander Snegirev (from Google Play)
Comprehensive Obstetric & Gynecology Toolkit for Healthcare Professionals

Obstetric Calculator (also known as Obstetrical Wheel) helps determine gestational age in weeks and days, as well as estimate due dates using methods like the last menstrual period, ultrasound reports, ovulation/IVF, and more.

This app offers over 10 essential ObGyn tools, making it an invaluable resource for obstetricians, gynecologists, midwives, and other healthcare providers. It can also be used by patients for educational purposes.

Key Features:
- Estimated Due Date (EDD) & Gestational Age (GA) by First Day of Last Menstrual Period (LMP)
- EDD & GA by Ultrasound Report
- EDD & GA by Conception Date
- EDD & GA by Fetal Movements
- EDD & GA from Given Date
- GA & LMP from Estimated Delivery Date
- GA by Crown-Rump Length (CRL)
- GA by Fetal Biometry
- Fetal Growth and Doppler
- Estimated Fetal Weight by Mother's Biometry
- Bishop Score (Quick Cervix Assessment)
- Probability of Successful Vaginal Birth after Cesarean Section (VBAC/TOLAC)
- Breast Cancer Risk Estimation
- Cervical Cancer Risk Estimation

Each tool includes detailed instructions accessible via the "i" button in the upper right corner.

This app is designed for educational use by healthcare providers in Obstetrics & Gynecology, but its intuitive interface allows patients to use it for educational purposes as well.

Why Use Obstetric Calculator?
- Accurate Calculations: Rely on precise algorithms for gestational age and due date calculations.
- Comprehensive Tools: All essential ObGyn tools in one place for quick and easy access.
- User-Friendly Interface: Simple navigation and clear instructions make the app easy to use.
- Educational Value: Ideal for both professionals and patients looking to understand their pregnancy better.

Enhance your practice with all-in-one ObGyn toolkit. Download now to streamline your obstetric and gynecological assessments!

Recent changes:
- minor UI improvements
Show more Show less

App Performance Report

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Screenshots

Obstetric Calculator Screenshot 1 of 8
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Obstetric Calculator Screenshot 8 of 8
Screenshots by Alexander Snegirev, from the Google Play listing
Official page on Google Play Also on the App Store

Also available on the App Store

Obstetrics Calculator icon Obstetrics Calculator
Alexander Snegirev
5.0
Free
1 ratings

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Google Play Rating history and histogram

760
120
0
0
180

Installs over time

Obstetric Calculator has been installed 1.1 million times. Over the past 30 days, it averaged 330 installs per day.

Changelog of Obstetric Calculator

Show changelog

Developer information for Alexander Snegirev

Alexander Snegirev

inbox@alefrei.com

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Comments on Obstetric Calculator for Android

★★★★★ Daddy Dominique Doti · Sep 12, 2024
Very convenient and easy to use. A useful tool for the busy obstetrical outpatient department and maternity ward.
★★★★★ Mwari Wa James · Aug 29, 2024
A very useful app. I walked my journey with it n it was accurate 💖💖💖 best app for expectant mothers 💯
★★★★★ SERAPHIN JOSEPH MBOYA (original master plan) · Jun 19, 2023
Guys this is the best app ever used in calculating and estimating gestation age
★★★★☆ Zaynab Ibrahim · Dec 2, 2024
It's a great app and I found a lot of use for it. My only gripe though, is that it needs an option to change languages in the app (for example to French)
★☆☆☆☆ Lavender · Aug 26, 2024
Suddenly the EDD is coming wrong. Please check.
★☆☆☆☆ Tshegofatso Sekhaolelo · Jul 19, 2023
Ever since the app has adds its malfunctioning, not giving calculations anymore.

Google Play Rankings for Obstetric Calculator

Top rankings

Rank Country Category List
47 Mexico Medical Top Free
148 Iran Medical Top Free
158 Finland Medical Top Free
158 Slovakia Medical Top Free
160 Denmark Medical Top Free
164 Czech Republic Medical Top Free
166 Austria Medical Top Free
166 Portugal Medical Top Free
167 Switzerland Medical Top Free
168 Norway Medical Top Free
Show all market rankings

Ranking history in Mexico

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I'm the developer of this app

Technologies used by Obstetric Calculator

12 permissions · 8 libraries
Subscribe to see full permission and library details

Frequently asked questions about Obstetric Calculator

Is Obstetric Calculator free?

Yes. Obstetric Calculator is free on Google Play.

Is Obstetric Calculator still available?

Yes. Obstetric Calculator is on Google Play, and the last update we saw was on October 11, 2026.

Does Obstetric Calculator contain ads?

Yes. Google Play lists Obstetric Calculator as containing ads.

What Android version does Obstetric Calculator require?

Obstetric Calculator runs on Android 4.1 and higher.

How large is Obstetric Calculator?

Obstetric Calculator is 9.43 MB.

Is Obstetric Calculator suitable for children?

Google Play rates the content of Obstetric Calculator as suitable for everyone.

How many times has Obstetric Calculator been installed?

Google Play lists 1,000,000+ installs for Obstetric Calculator.

How do people rate Obstetric Calculator?

Obstetric Calculator scores 4.22 out of 5 stars, from 1,055 ratings on Google Play.

Who made Obstetric Calculator?

Obstetric Calculator was developed by Alexander Snegirev. It is listed in the medical category on Google Play.

What are the best alternatives to Obstetric Calculator?

People looking at Obstetric Calculator also look at these medical apps: Ob Wheel, Gestational Age (baby's age), Pregnancy Calculator Pro, OBS Calc -Pregnancy Calculator, Hijri ANC - Pregnancy Due Date.

Top new apps Today's trending apps Popular Medical Apps Price drops on Google Play Apps other people are watching
Ob Wheel icon Ob Wheel
Gestational Age (baby's age) icon Gestational Age (baby's age)
Pregnancy Calculator Pro icon Pregnancy Calculator Pro
OBS Calc -Pregnancy Calculator icon OBS Calc -Pregnancy Calculator
Hijri ANC - Pregnancy Due Date icon Hijri ANC - Pregnancy Due Date
Pregnancy Wheel icon Pregnancy Wheel
Pregnancy Calculator icon Pregnancy Calculator
Pregnancy Weeks Calculator icon Pregnancy Weeks Calculator
Overview Alternatives History Reviews Rankings Technology
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