Comparison

Obstetrics Calculator vs rsLog

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

rsLog

Features
Read full description

The rsLog HMIS system is a healthcare management information system that has been implemented in various countries to improve the quality of healthcare services provided to patients, including family planning and comprehensive abortion care services. The system is developed with support from AYA Collective, a non-governmental organization that specializes in developing technology-based solutions for healthcare providers. The rsLog HMIS system is designed to collect, manage and analyze healthcare data from various healthcare facilities, including hospitals, clinics, and health centers that provide family planning and comprehensive abortion care services. The system captures patient demographics, medical history, diagnoses, treatments, and outcomes, which is then used to generate reports and analytics. This enables healthcare providers to make informed decisions based on accurate and complete data, ultimately improving the quality of care provided to patients. One of the key benefits of the rsLog HMIS system is that it enhances data accuracy and completeness. The system captures and stores patient data in a structured and standardized format, which reduces the risk of errors and ensures that important data is not lost. This improves the quality of care that patients receive, as healthcare providers are able to make more informed decisions based on accurate and complete data. The rsLog HMIS system also facilitates data sharing and collaboration among healthcare providers who offer family planning and comprehensive abortion care services. The system enables healthcare providers to access patient data from other facilities, which is particularly useful for patients who may receive care from multiple providers. This ensures that healthcare providers have a complete picture of a patient's health status and can make informed decisions about their care. In addition, the rsLog HMIS system supports real-time data reporting and analysis, which enables healthcare providers and administrators to monitor and respond to healthcare trends and outbreaks related to family planning and comprehensive abortion care. This is particularly important in the context of public health emergencies, as it allows healthcare providers to quickly identify and respond to outbreaks and other health threats related to family planning and comprehensive abortion care. Furthermore, the rsLog HMIS system is designed to be user-friendly and easy to use. This ensures that healthcare providers who offer family planning and comprehensive abortion care services can quickly and easily capture patient data, access patient records, and generate reports without having to spend a lot of time on data entry and management. Overall, the rsLog HMIS system has been a valuable addition to healthcare systems in various countries offering family planning and comprehensive abortion care services. By improving data accuracy, completeness, and sharing, the system has helped to improve the quality of healthcare services provided to patients in these areas. The system's real-time reporting and analytics capabilities have also enabled healthcare providers and administrators to better monitor and respond to healthcare trends and outbreaks related to family planning and comprehensive abortion care, ultimately improving public health outcomes.

Screenshots

Obstetrics Calculator4 screens
rsLog4 screens

Verdict

The call

The clearest difference is in-app purchases: rsLog at none against Obstetrics Calculator's 2. rsLog also leads on ads (none vs shown). Obstetrics Calculator's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence and device support 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. rsLog asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
Obstetrics Calculator versus rsLog: the parameters behind the verdict, then further details
ParameterObstetrics CalculatorrsLog
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews54.5% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 monthsEvery 2 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size90 MB31 MB
Age rating12+17+
DeveloperAlexander SnegirevEmmanuel Kuffour

In-app purchases

2 purchases

Obstetrics Calculator

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

rsLog

No in-app purchases

Questions

Is Obstetrics Calculator free?
Obstetrics Calculator is free to download, with in-app purchases available.
Is rsLog free?
rsLog is free to download, with no in-app purchases.
Do Obstetrics Calculator or rsLog have ads?
Obstetrics Calculator shows ads; rsLog does not.
Which is updated more often, Obstetrics Calculator or rsLog?
Obstetrics Calculator ships an update every 2 months, and rsLog every 2 months. Most recently, Obstetrics Calculator was updated on November 7, 2026 and rsLog on November 3, 2026.

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