Evidencio vs Obstetrics Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Evidencio
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With the Evidencio App you can quickly access and use medical prediction models and calculators from Evidencio.com. Evidencio.com hosts the world's first open and transparent library of online medical prediction models and calculators, created by and for medical professionals and researchers. The Evidencio App allows guest users to navigate and use all public models available from Evidencio.com. Registered users can configure favorite models for quick access. As a registered user you're also able to create your own models on Evidencio.com and subsequently use them as private or privately shared models in the App.
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.
Screenshots
Verdict
The clearest difference is in-app purchases: Evidencio at none against Obstetrics Calculator's 2. Evidencio 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. Evidencio asks for nothing beyond the download.
Evidencio ships an update every 5 weeks, Obstetrics Calculator every 2 months. Both last shipped on November 11, 2026.
| Parameter | Evidencio | Obstetrics Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 54.5% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 15 MB | 90 MB |
| Age rating | 17+ | 12+ |
| Developer | Evidencio B.V. | Alexander Snegirev |
In-app purchases
Evidencio
No in-app purchases
Obstetrics Calculator
- ObCalc Pro$1.991 Month
- Disable Ads$10.99
Questions
Is Evidencio free?
Is Obstetrics Calculator free?
Do Evidencio or Obstetrics Calculator have ads?
Which is updated more often, Evidencio or Obstetrics Calculator?
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