Obstetrics Calculator vs Kolping App
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.
Kolping App
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Con Kolping App puedes acceder rápidamente a los servicios del Centro Multifuncional Adolfo Kolping, está diseñada para permitirte gestionar tus citas médicas, recibir notificaciones de campañas de salud gratuitas, y aprovechar promociones y descuentos en nuestras ópticas, farmacia y laboratorio. Kolping ofrece especialidades médicas que abarcan desde cardiología y pediatría hasta dermatología, fisioterapia y más, con énfasis en un enfoque accesible y humano, a través de la Kolping App, facilitamos el acceso a servicios clave como: -Reserva de citas en línea: Ahorra tiempo seleccionando tu especialista y horario preferido.
Screenshots
Verdict
The clearest difference is in-app purchases: Kolping App at none against Obstetrics Calculator's 2. Kolping App also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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. Kolping App asks for nothing beyond the download.
Obstetrics Calculator ships an update every 2 months, Kolping App monthly. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.
| Parameter | Obstetrics Calculator | Kolping App |
|---|---|---|
| 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 | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 90 MB | 40 MB |
| Age rating | 12+ | 12+ |
| Developer | Alexander Snegirev | Fundación Centro Multifuncional Adolfo Kolping |
In-app purchases
Obstetrics Calculator
- ObCalc Pro$1.991 Month
- Disable Ads$10.99
Kolping App
No in-app purchases







