# DrObsCalc

> Intelligent GA & EDD Workflow

Canonical page: [https://chrome-stats.com/d/id6759258402](https://chrome-stats.com/d/id6759258402)

## Overview

- **ID:** `id6759258402`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Eng Loy Tan
- **Category:** Medical
- **Version:** 1.5.0
- **Last updated:** 2026-03-30
- **First published:** 2026-02-27
- **Size:** 11 MB
- **Data as of:** 2026-09-06
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/drobscalc/id6759258402)
- **Website:** [https://dr-obs.elcreations.org/drobscalc/](https://dr-obs.elcreations.org/drobscalc/)
- **Privacy policy:** [https://dr-obs.elcreations.org/privacy-policy/](https://dr-obs.elcreations.org/privacy-policy/)

## Description

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.

## Rankings

- #1,494,069 — Overall

## Similar extensions and apps

- [OB Wheel+](https://chrome-stats.com/d/id6757197344) — 5.00 / 5
- [Prego OB Wheel](https://chrome-stats.com/d/id1328976834) — 4.90 / 5
- [OB Wheel & EDD Calculator](https://chrome-stats.com/d/id6742823689) — 4.70 / 5
- [OB Calc (cloud)](https://chrome-stats.com/d/id1495610465) — 5.00 / 5
- [OB App Suite](https://chrome-stats.com/d/id933612629) — 3.80 / 5
- [OB Pregnancy Wheel Made Easy](https://chrome-stats.com/d/id6757496014) — 5.00 / 5
- [Gestational Age (baby's age)](https://chrome-stats.com/d/id1536304956) — 4.90 / 5
- [The OB Wheel Pro 7](https://chrome-stats.com/d/id730081554) — 4.00 / 5
- [OB Wheel Due Date Calculator](https://chrome-stats.com/d/id6752916655)
- [Gestational Age Calculator App](https://chrome-stats.com/d/id6743996180)
- [OB Wheels](https://chrome-stats.com/d/id969845527) — 2.30 / 5
- [iPregli-DueCalc+](https://chrome-stats.com/d/id6749068085)

---

Source: [Chrome-Stats](https://chrome-stats.com/d/id6759258402)