Comparison

Obstetrics Calculator vs SGU

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Obstetrics Calculator

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.

Highlights
  • Gestational age and due date calculation
  • Multiple calculation methods (LMP, ultrasound, IVF)
  • Maternity leave timeframe estimation
  • Bishop Score and TOLAC probability
  • Cancer risk estimations (Breast, Cervical, Ovarian)
  • Follow-up after colposcopy
Features
Read full description

Obstetric Calculator will help you determine gestational age in weeks and days as well as estimated due date using last menstrual period, ultrasound report, ovulation/IVF and other methods. This set of tools ans scales contains: - Estimated Due Date & Gestational Age by First Day of Last Menstrual Period - Estimated Due Date & Gestational Age by Ultrasound Report - Estimated Due Date & Gestational Age by Conception Date - Estimated Due Date & Gestational Age by Quickening (= Fetal Movements) - Estimated Due Date & Gestational Age from Given Date - Timeframe for Maternity Leave - Gestational Age & last menstrual period from Estimated Due Date - Gestational Age by Crown-Rump Length - Gestational Age by Fetal Biometry - Estimated Fetal Weight by Mother's Biometry - Bishop Score (Quick Cervix Assessment) - Probability of Successful Vaginal Birth after Cesarean Section (or Trial of Labor) - Breast Cancer Risk Estimation (Gail Model) - Cervical Cancer Risk Estimation (ASCCP 2019 Guidelines) - Ovarian Cancer Risk (O-RADS, ADNEX, ROMA) - Follow-Up after Colposcopy/Treatment of CIN Each tool is provided with instructions ("i" in the upper right corner). This app was designed for educational use by health care providers in the field of Obstetrics & Gynecology.

About

SGU

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App oficial de la Sociedad Ginecotocológica del Uruguay (SGU). Mantenete al tanto de todas las novedades de nuestra comunidad médica: Últimas noticias y comunicados. Calendario de actividades científicas y congresos. Acceso exclusivo a beneficios para socios. Información institucional y mucho más. Descargá la aplicación y llevá toda la información de la SGU siempre con vos.

Screenshots

Obstetrics Calculator4 screens
SGU4 screens

Verdict

The call

The clearest difference is in-app purchases: SGU at none against Obstetrics Calculator's 2. Obstetrics Calculator's advantage is update cadence (every 2 months vs every 28 months) and device support. On price there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Obstetrics Calculator sells 2 in-app purchases, starting at $1.99 per month. SGU asks for nothing beyond the download.

UpkeepUpdate frequency

Obstetrics Calculator ships an update every 2 months, SGU every 28 months. The most recent releases landed on November 11, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
Obstetrics Calculator versus SGU: the parameters behind the verdict, then further details
ParameterObstetrics CalculatorSGU
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews54.5% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 months — betterEvery 28 months
AdsYes—
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — better—
Requires iOS13.0 — better15.0
Further details — not scored
Size90 MB34 MB
Age rating12+4+
DeveloperAlexander SnegirevSociedad Ginecotocologica del Uruguay

In-app purchases

2 purchases

Obstetrics Calculator

Subscriptions1
  • ObCalc Pro$1.991 Month
One-time1
  • Disable Ads$10.99
None

SGU

No in-app purchases

Questions

Is Obstetrics Calculator free?
Obstetrics Calculator is free to download, with in-app purchases available.
Is SGU free?
SGU is free to download, with no in-app purchases.
Which is updated more often, Obstetrics Calculator or SGU?
Obstetrics Calculator ships an update every 2 months, and SGU every 28 months. Most recently, Obstetrics Calculator was updated on November 11, 2026 and SGU on October 30, 2026.

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