OB Wheel & EDD Calculator
Pedro Iniesta Medical iPhoneiPadiPod touch
OB Wheel & EDD Calculator is a free Medical app for iPhone and iPad by Pedro Iniesta. Rated 4.7/5 from 3 ratings. Requires iOS 15.1. Updated April 7, 2026.
- Rating
- 4.7
- 3 ratings
- Price
- Free
- on the App Store
- Size
- 62 MB
- Age 17+
- Updated
- Apr 7
- 2026 · v2.0.2
Screenshots
About OB Wheel & EDD Calculator
The Ultimate Clinical Toolkit for Obstetricians and Midwives. Designed specifically for healthcare professionals, Obstetric Tools is the most precise, fast, and comprehensive pregnancy wheel and clinical calculator available. Whether you are in a busy outpatient clinic or an offline delivery room, get evidence-based results in seconds to optimize your patient care. Built by and for medical professionals, our app replaces traditional cardboard wheels and scattered reference books with a single, highly optimized digital suite. CORE FEATURES Advanced Gestogram (Pregnancy Wheel) Calculate Estimated Due Date (EDD), Gestational Age (GA), and Conception Date instantly. Flexible Dating: Calculate based on Last Menstrual Period (LMP) or reverse-calculate by entering the current Gestational Age from an ultrasound. Highly precise chronologies to track pregnancy milestones effortlessly. Clinical Calculators Estimated Fetal Weight (EFW): Highly accurate calculations based on the global Hadlock IV formula (BPD, HC, AC, FL). Maternal BMI & Weight Gain: Calculate pre-pregnancy BMI and track recommended weight gain per trimester. Fischer Score: Objective evaluation of cardiotocographic (CTG) records. MgSO4 Dosing: Quick and safe calculation for magnesium sulfate infusion in preeclampsia management. Essential Medical Tests & Scales Bishop Score: Assess cervical ripeness and the probability of successful labor induction. Apgar Score: Standardized newborn assessment at 1, 5, and 10 minutes. Silverman-Andersen Score: Evaluate neonatal respiratory distress. Kramer's Rule: Visual assessment of neonatal jaundice. Edinburgh Scale: Postnatal depression screening tool. WHY CHOOSE OBSTETRIC TOOLS? 100% Offline Functionality: We know hospitals have dead zones. Our app works flawlessly in delivery rooms, bunkers, and areas with zero network coverage. Evidence-Based: Every calculator and scale includes a dedicated "Clinical Info" section detailing the medical formulas, parameters, and scientific backing used. Zero-Data Privacy Policy: We respect patient confidentiality. The app acts as a blind calculator. No patient health data is ever collected, saved, or transmitted. About Obstetric Tools Premium While the core app is free to use, Obstetric Tools offers auto-renewing subscriptions to unlock all advanced premium features (like EFW, Bishop, Apgar) and provide a completely ad-free clinical experience. Payment will be charged to your iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Your account will be charged for renewal within 24-hours prior to the end of the current period. You can manage your subscriptions and turn off auto-renewal by going to your Account Settings after purchase. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://milkynest.com/privacy
What’s new
Version 2.0.2 · Updated April 7, 2026
We regularly update our OB wheel to ensure the highest accuracy. This version includes performance optimizations for lightning-fast EDD & LMP calculations, UI improvements for patient consultations, and minor bug fixes for reliable daily obstetric practice.
App privacy
The developer, Pedro Iniesta, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers: User ID, Device ID
- Usage Data: Product Interaction
- Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Usage Data: Product Interaction
Used for: Analytics
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Identifiers: User ID, Device ID
- Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
Used for: Third-Party Advertising, App Functionality
Alternatives to OB Wheel & EDD Calculator
Looking for apps like OB Wheel & EDD Calculator? Here are 6 similar apps on the App Store. The highest rated is OB Calc (cloud) (5.0/5), and all 6 are free to download.
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OB Calc (cloud)
5.0
-
Obstetrical Calculator
-
Fetal Weight Calculator
5.0
-
OB Tracker & Pregnancy Wheel
4.7
-
Obstetrics Calculator
5.0
-
MSD Manual Guide to Obstetrics
4.0
| App | Rating | Price | Last updated |
|---|---|---|---|
| OB Wheel & EDD Calculator | 4.7 / 5 (3 ratings) | Free | April 7, 2026 |
| OB Calc (cloud) | 5.0 / 5 (5) | Free | Jul 21, 2026 |
| Obstetrical Calculator | – | Free | May 12, 2025 |
| Fetal Weight Calculator | 5.0 / 5 (1) | Free | Apr 1, 2025 |
| OB Tracker & Pregnancy Wheel | 4.7 / 5 (49) | Free | Sep 10, 2026 |
| Obstetrics Calculator | 5.0 / 5 (1) | Free | Jan 25, 2025 |
| MSD Manual Guide to Obstetrics | 4.0 / 5 (4) | Free | Jul 18, 2026 |