Best Obcalc Apps

249+ iOS apps curated and reviewed

4.1 avg rating
17 free apps
Updated September 2026

From beginner-friendly picks to power-user tools, our obcalc list covers 249+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.

Compare top Obcalc Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Obstetrics CalculatorObstetrics CalculatorFree5.0★ (1)YesYesAug 2026
2PeriCalcPeriCalc$2.99NoNoSep 2026
3OB Calc (cloud)OB Calc (cloud)Free5.0★ (5)NoYesJul 2026
4WUSM OB CalcWUSM OB CalcFree5.0★ (1)NoNoMay 2026
5OB WheelsOB WheelsFree2.3★ (15)NoNoAug 2026
6Calculator‰Calculator‰Free4.9★ (409K)YesNoSep 2026
7OB Calc OficialOB Calc Oficial$4.994.1★ (7)NoNoJul 2026
8EDD - EGA calculatorEDD - EGA calculatorFreeYesNoJul 2026

Top Picks for Obcalc

Obstetrics Calculator#1

Obstetrics Calculator by Alexander Snegirev

Editor's Choice
🏥 Medical
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.

OB Calc (cloud)#3

OB Calc (cloud) by Glen Botha

By a doctor, for doctors
Worth Considering
🏥 Medical
5.0(5 ratings)
FreeIn-App Purchases
OB Calc (cloud) screenshot 1
OB Calc (cloud) screenshot 2
OB Calc (cloud) screenshot 3
OB Calc (cloud) screenshot 4
OB Calc (cloud) screenshot 5
OB Calc (cloud) screenshot 6

This medical app helps obstetricians efficiently calculate key patient test date windows. It offers multiple calculation methods and allows for saving patient data and generating PDF reports. A free trial is available, followed by a subscription for full access.

More Obcalc apps to explore

FAQ about Obcalc

What are the best obcalc apps for iPhone?
Obstetrics Calculator tops our obcalc apps ranking as of September 2026, with a 5.0-star average from 1 App Store ratings, and it's free to download.
Yes — 17 of the top obcalc apps we rank are free to download, including Obstetrics Calculator and OB Calc (cloud).
Obstetrics Calculator shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ obcalc apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Obstetrics Calculator offers multiple methods to determine gestational age, including using the first day of the last menstrual period, ultrasound reports, conception date, or fetal movements (quickening).
The app includes risk estimations for Breast Cancer (Gail Model), Cervical Cancer (ASCCP 2019 Guidelines), and Ovarian Cancer (O-RADS, ADNEX, ROMA). It also provides the probability of successful vaginal birth after Cesarean section.