DrObsCalc

Intelligent GA & EDD Workflow

Free · In‑App Purchases · Designed for iPad

Designed by an obstetrician. Stop spinning the pregnancy wheel. New in v1.5: Clinical Milestones Pro adds custom Appointment Planning Weeks for follow-up planning. DrObsCalc is a clinical gestational age calculator built for real clinical practice. Establish gestation instantly from last menstrual period (LMP), estimated date of delivery (EDD), or known gestational age (GA) on a known date. The calculator adapts automatically, with no manual mode switching required. Designed for obstetricians by an obstetrician, DrObsCalc supports fast, accurate workflow at the point of care. Key Features: • Intelligent input logic for LMP, EDD, or GA-based entry • Automatic recalculation across related values • Fast 6- or 8-digit numeric date entry • Automatic regional date format recognition • Clear trimester and milestone overview Clinical Milestones Pro (One-Time Purchase): • Additional clinical window presets • Create and customise your own clinical window presets • Custom Appointment Planning Weeks • More tailored follow-up planning DrObsCalc performs date calculations and clinical planning support only. It does not provide diagnostic or treatment recommendations.

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What’s New in Version 1.5.0 • Added Appointment Planning Weeks in Clinical Milestones Pro for clearer follow-up planning • Refined milestone tools with updated Clinical Windows wording • Refreshed About page information • UI polish and bug fixes

Version 1.5.0

The developer, Eng Loy Tan, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • Eng Loy Tan
    Size
    • 11.4 MB
    Category
    • Medical
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © 2026 DrObs
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Some in-app purchases and subscriptions may be shareable with your family group when Family Sharing is enabled. Learn More

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