Obstetrics Calculator vs SGU
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
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
Verdict
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
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.
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.
| Parameter | Obstetrics Calculator | SGU |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 54.5% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months — better | Every 28 months |
| Ads | Yes | — |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | — |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 90 MB | 34 MB |
| Age rating | 12+ | 4+ |
| Developer | Alexander Snegirev | Sociedad Ginecotocologica del Uruguay |
In-app purchases
Obstetrics Calculator
- ObCalc Pro$1.991 Month
- Disable Ads$10.99
SGU
No in-app purchases
Questions
Is Obstetrics Calculator free?
Is SGU free?
Which is updated more often, Obstetrics Calculator or SGU?
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