OB Calc (cloud)
OB Calc (cloud) Summary
OB Calc (cloud) is a 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 68 monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store metadata: updated Feb 23, 2026.
Store info: Last updated on App Store on Feb 23, 2026 .
3.81★
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: http://www.inpocketsolutions.com/terms.html
** Disclaimer
Remember to test out the app on your specific device to ensure calculations are verified to your expectation.