Best Obscalc Apps

70+ iOS apps curated and reviewed

4.1 avg rating
18 free apps
Updated September 2026

Out of 70+ obscalc apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Obscalc Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Obstetrics CalculatorObstetrics CalculatorFree5.0★ (1)YesYesAug 2026
2OB Calc (cloud)OB Calc (cloud)Free5.0★ (5)NoYesJul 2026
3ObCalcObCalc$2.99NoNoSep 2026
4WUSM OB CalcWUSM OB CalcFree5.0★ (1)NoNoMay 2026
5OB WheelsOB WheelsFree2.3★ (15)NoNoAug 2026
6OB Calc OficialOB Calc Oficial$4.994.1★ (7)NoNoJul 2026
7Obstetrical CalculatorObstetrical CalculatorFreeYesYesMay 2026
8Obstetric Calculator PlusObstetric Calculator PlusFree4.7★ (6)NoNoJul 2026

Top Picks for Obscalc

5.0(1 ratings)
FreeAdsIn-App Purchases
Obstetrics Calculator screenshot 1
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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)#2

OB Calc (cloud) by Glen Botha

By a doctor, for doctors
Strong Contender
🏥 Medical
5.0(5 ratings)
FreeIn-App Purchases
OB Calc (cloud) screenshot 1
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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 Obscalc apps to explore

FAQ about Obscalc

What are the best obscalc apps for iPhone?
Obstetrics Calculator tops our obscalc apps ranking as of September 2026, with a 5.0-star average from 1 App Store ratings, and it's free to download.
Yes — 18 of the top obscalc 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 70+ obscalc 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.