OB Calc (cloud)
OB Calc (cloud) Summary
OB Calc (cloud) is a free, with in-app purchases iOS app in Medical by Glen Botha. Released in Jan 2020 (6 years ago). It has 16 ratings with a 3.81★ (average) average. Based on AppGoblin estimates, it reaches roughly 39 monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store last updated Jul 21, 2026
SDK intelligence: AppGoblin detected 1 development tools(e.g. Google), 1 analytics: product,and 1 business tools integrated into OB Calc (cloud). View full SDK list →
OB Calc (cloud) SDKs Summary
OB Calc (cloud) was last scanned for SDKs on 2026-07-08. Below is the overview of third-party companies detected in the app. The full list of SDKs, permissions and unknowns is available here.
Google
Firebase
RevenueCat3.81★
Ratings: 16
Screenshots
App Description
While similar to a pregnancy wheel, OB Calc (cloud) is specifically designed by an obstetrician, for obstetricians. Finally obstetricians have an efficient and simple method to calculate the important test date windows for patients.
CALCULATION METHODS
• Last Menstrual Period (LMP)
• Expected Delivery Date (EDC)
• Sonogram Date and Fetal Age (Sonogram)
• Crown Rump Length (CRL)
• In Vitro Fertilization (IVF)
Try the app for free for 7 days. A low monthly autorenewable subscription gives users access to premium features such as all calculation methods and saving of individual patient data. You can reach the developer directly at support@inpocketsolutions.com
FEATURES
• LMP, EDC, Ultrasound, CRL and IVF Method Calculations
• Customize up to 15 tests, with date ranges
• Data synced across multiple devices
• Generate a PDF file
• Save individual patient data
CRL data reference : https://obgyn.onlinelibrary.wiley.com/doi/pdf/10.1002/uog.7654
Terms & Conditions: https://inpocketsolutions.com/terms
** Disclaimer
Remember to test out the app on your specific device to ensure calculations are verified to your expectation.