Obstetrics Calculator Downloads & RevenueObstetrics Calculator · App Store & Google Play
Obstetrics Calculator gets 500+ downloads a day worldwide (AppInsider estimate, November 2026, rounded down to a band).
Obstetrics Calculator by Alexander Snegirev is on App Store and Google Play. Active Users (MAU & DAU), Downloads, rankings, keywords, revenue, and rating totals.
Obstetrics Calculator update history & changes
Last change · 13 events since 7 Nov 2018Full timeline ↓Full timeline · 12 events in the last 12 months
- 📈Obstetrics Calculator entered the top 100iOSTop Free · Medical · IT
- 📈Obstetrics Calculator charting in a new countryAndroidRussia
- 📈Obstetrics Calculator charting in a new countryAndroidUnited Arab Emirates
- 🆕Obstetrics Calculator first spotted by AppInsiderAndroidMexico
- 📦Obstetrics Calculator version 5.0.4Android- minor UI improvements
- 📈Obstetrics Calculator charting in a new countryiOSItaly
- 📈Obstetrics Calculator charting in a new countryiOSUnited Arab Emirates
- 📈Obstetrics Calculator entered the top 100iOSTop Grossing · Medical · ID
- 📈Obstetrics Calculator charting in a new countryiOSIndonesia
- 🆕Obstetrics Calculator first spotted by AppInsideriOS#42 in Top Grossing · Medical · Russia
- 🆕Obstetrics Calculator released on the App StoreiOS
- 🆕Obstetrics Calculator released on Google PlayAndroid
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Medical GrossingApp Store
App details
Google Play
App details
Obstetrics Calculator downloads & installs
Both stores, worldwide. Bands are open; exact numbers are free with an account.
| Store | Downloads / day | Lifetime installs |
|---|---|---|
| App Store | 100+ | 10k+ |
| Google Play | 500+ | 1M+ Measured |
| Total | 500+ Confidence | 1M+ Confidence |
How this is calculated
Where Obstetrics Calculator's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Retention · share of new users still active
Time spent · per daily user
How this is calculated
In-app revenue
Worldwide, what users spend before Apple and Google take their fee.
| Store | Per day | Per month | Share |
|---|---|---|---|
| App Store | |||
| Google Play | |||
| Total | Confidence | 100% |
Business model: In-app purchase-led
How Obstetrics Calculator makes money: subscriptions, one-off purchases and ads.
Where it ranks now
Both stores, across every country we track.
| Store | Best rank | Charting in | US Top Free | US Top Grossing |
|---|---|---|---|---|
| App Store | #33 Medical Grossing | 3 of 30 countries | – | – |
| Google Play | #39 Medical Free | 2 of 23 countries | – | – |
Full chart lists: App Store · Google Play.
Review momentum
ⓘ How we measure thisReview momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
Ratings
Both stores. Store data, measured.
| Store | Rating | Ratings |
|---|---|---|
| App Store | 5.0 ★ | 3 |
| Google Play | 4.7 ★ | 1.1k 4 written reviews |
| Both stores | 4.7 ★ weighted by ratings | 1.1k |
About Obstetrics Calculator
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.
Obstetrics Calculator App Store
Obstetrics Calculator gets 500+ downloads a day worldwide (AppInsider estimate, November 2026, rounded down to a band).
Obstetrics Calculator is #33 in Medical Grossing in Russia and charting in 3 of 30 countries we track.
Updated 8 Nov 2026 · rankings refresh through the day
24 Sep 2026 Medical GrossingObstetrics Calculator on the App Store
App details
Obstetrics Calculator downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Where Obstetrics Calculator's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Retention · share of new users still active
Time spent · per daily user
How this is calculated
In-app revenue
Worldwide, what users spend in Obstetrics Calculator before Apple and Google take their fee.
How this is calculated
Business model: In-app purchase-led
How Obstetrics Calculator makes money: subscriptions, one-off purchases and ads.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Russia | MedicalGrossing | #33 |
 India | MedicalGrossing | #98 |
| India | MedicalFree | #92 |
 Indonesia | MedicalFree | #117 |
Apps near Obstetrics Calculator on the chart
Medical Grossing, around #33.
Ratings
App Store, worldwide.
Review momentum
ⓘ How we measure thisReview momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
About Obstetrics Calculator
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.
Latest updates
Obstetric Calculator Android
Obstetric Calculator gets 500+ downloads a day worldwide (AppInsider estimate, November 2026, rounded down to a band).
Obstetric Calculator is #39 in Medical Free on Google Play in Mexico and charting in 2 of 23 countries we track.
Updated 8 Nov 2026 · rankings refresh through the day
Medical FreeObstetric Calculator on Google Play
App details
Obstetric Calculator downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Where Obstetric Calculator's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Retention · share of new users still active
Time spent · per daily user
How this is calculated
In-app revenue
Worldwide, what users spend in Obstetric Calculator before Apple and Google take their fee.
How this is calculated
Business model: In-app purchase-led
How Obstetric Calculator makes money: subscriptions, one-off purchases and ads.
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Mexico | MedicalFree | #39 |
 United Arab Emirates | MedicalFree | #186 |
Apps near Obstetric Calculator on the chart
Medical Free, around #39.
Ratings
Google Play, worldwide.
Review momentum
ⓘ How we measure thisReview momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
About Obstetric Calculator
Obstetric Calculator (also known as Obstetrical Wheel) helps determine gestational age in weeks and days, as well as estimate due dates using methods like the last menstrual period, ultrasound reports, ovulation/IVF, and more.
This app offers over 10 essential ObGyn tools, making it an invaluable resource for obstetricians, gynecologists, midwives, and other healthcare providers. It can also be used by patients for educational purposes.
Key Features:
- Estimated Due Date (EDD) & Gestational Age (GA) by First Day of Last Menstrual Period (LMP)
- EDD & GA by Ultrasound Report
- EDD & GA by Conception Date
- EDD & GA by Fetal Movements
- EDD & GA from Given Date
- GA & LMP from Estimated Delivery Date
- GA by Crown-Rump Length (CRL)
- GA by Fetal Biometry
- Fetal Growth and Doppler
- Estimated Fetal Weight by Mother's Biometry
- Bishop Score (Quick Cervix Assessment)
- Probability of Successful Vaginal Birth after Cesarean Section (VBAC/TOLAC)
- Breast Cancer Risk Estimation
- Cervical Cancer Risk Estimation
Each tool includes detailed instructions accessible via the "i" button in the upper right corner.
This app is designed for educational use by healthcare providers in Obstetrics & Gynecology, but its intuitive interface allows patients to use it for educational purposes as well.
Why Use Obstetric Calculator?
- Accurate Calculations: Rely on precise algorithms for gestational age and due date calculations.
- Comprehensive Tools: All essential ObGyn tools in one place for quick and easy access.
- User-Friendly Interface: Simple navigation and clear instructions make the app easy to use.
- Educational Value: Ideal for both professionals and patients looking to understand their pregnancy better.
Enhance your practice with all-in-one ObGyn toolkit. Download now to streamline your obstetric and gynecological assessments!