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OB Wheels is a medical utility designed for clinicians to calculate pregnancy-related dates, including Estimated Date of Delivery (EDD) and Estimated Gestational Age (EGA). The app distinguishes itself by combining a precise calendar-based calculator with a digital, interactive version of the traditional cardboard OB wheel.

Overview · Full Intel report in progress

The App DNA

What makes this app unique?

For Obstetricians, midwives, and healthcare professionals involved in pregnancy care.

What does it look like?

Key features

Calendar Calculatorstandard

Determines EDD and EGA based on Last Menstrual Period (LMP) or sonogram reports with leap-year accuracy.

Interactive OB Wheelstandard

A digital, zoomable, and rotatable interface that mimics the functionality of a physical cardboard pregnancy wheel.

Clinical Referencestandard

Provides access to recent committee opinion information relevant to pregnancy care.

How much does it cost?

free

Velocity

See all version history

Who built it?

Joshua D. steinberg

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Explore the full publisher profile

User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
2.27 · 15

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for OB Wheels

How's the Medical market?

The rivals identified

The Analyst's Read

Key takeaways for OB Wheels

Where is it heading?

Bottom line

The app serves as a specialized clinical tool that digitizes standard pregnancy dating methods for mobile use.

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by OB Wheels, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “OB Wheels Intelligence Report.” Updated May 10, 2026. https://marlvel.ai/apps/ob-wheels

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