
Obstetric Tools: OB Calculator
Pregnancy wheel & newborn care
Lowest price: Free 2 years ago (-100%)
Price history
About
This clinical toolkit provides obstetricians and midwives with a precise, fast, and comprehensive pregnancy wheel and calculator. It offers evidence-based results for optimizing patient care, even offline, and includes various essential medical tests and scales.
What's New in Obstetric Tools
3.0.0
October 22, 2026
3.0 brings more obstetric and neonatal tools, clearer explanations and tables, a redesigned introduction and Pro screen, and improvements for phones and tablets.
MoreSubscriptions & In-App Purchases
Obstetric Tools Pro Monthly
All Pro tools, with no ads.
Developer apps
FAQ
What is the OB Wheel & EDD Calculator?
The OB Wheel & EDD Calculator is a clinical toolkit designed for obstetricians and midwives. It offers a precise pregnancy wheel and various clinical calculators to aid in patient care, functioning even without an internet connection.
Does OB Wheel & EDD Calculator have ads?
Yes, OB Wheel & EDD Calculator contains advertisements. Users can opt for a premium subscription to unlock advanced features and remove advertisements for a completely ad-free clinical experience.
What are the premium subscription options for OB Wheel & EDD Calculator?
OB Wheel & EDD Calculator offers auto-renewing subscriptions. Options include Premium Monthly for $1.99/month and Premium Annual for $4.99/year, both with a 7-day free trial. Subscriptions can be managed in your Account Settings.
How does OB Wheel & EDD Calculator handle patient data privacy?
OB Wheel & EDD Calculator has a zero-data privacy policy, meaning no patient health data is collected, saved, or transmitted. The app functions as a blind calculator to respect patient confidentiality.
What clinical calculators are included in OB Wheel & EDD Calculator?
The app includes calculators for Estimated Fetal Weight (EFW) using the Hadlock IV formula, Maternal BMI & Weight Gain, Fischer Score, and MgSO4 Dosing for preeclampsia management.
What medical tests and scales are available in OB Wheel & EDD Calculator?
It features the Bishop Score for cervical ripeness, Apgar Score for newborn assessment, Silverman-Andersen Score for neonatal respiratory distress, Kramer's Rule for jaundice, and the Edinburgh Scale for postnatal depression screening.
Is OB Wheel & EDD Calculator available on all devices?
OB Wheel & EDD Calculator is available for iPhone, iPad, and iPod. It is designed for iOS devices and is rated for users aged 17 and older.
How often is OB Wheel & EDD Calculator updated?
The latest version of OB Wheel & EDD Calculator is 2.0.2, last updated on April 7, 2026. This indicates a recent update, suggesting ongoing development and support for the application.





