Best Ob Wheel Pregnancy Calculator Apps

206+ iOS apps curated and reviewed

4.5 avg rating
17 free apps
Updated June 2026

With an average user rating of 4.5★, the ob wheel pregnancy calculator category is one of the App Store's strongest. Browse all 206+ apps we track, sorted so the most loved ones surface first.

Compare top Ob Wheel Pregnancy Calculator Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1OB Wheel Pregnancy CalculatorOB Wheel Pregnancy CalculatorFree5.0★ (3)NoNoMay 2026
2Obstetrics CalculatorObstetrics CalculatorFree5.0★ (1)YesYesJul 2026
3Perfect OB WheelPerfect OB Wheel$1.994.9★ (3.4K)NoYesJul 2026
4OB Wheel for PregnancyOB Wheel for PregnancyFree4.7★ (27)NoNoJul 2026
5OB WheelOB WheelFree4.3★ (7)NoYesJul 2026
6Preg WheelPreg WheelFree4.0★ (62)NoNoMay 2026
7Gestational Age (baby's age)Gestational Age (baby's age)Free4.9★ (184)YesYesJul 2026
8OB Wheel Pregnancy TrackerOB Wheel Pregnancy TrackerFree4.5★ (11)NoNoJul 2026

Top Picks for Ob Wheel Pregnancy Calculator

OB Wheel Pregnancy Calculator#1

OB Wheel Pregnancy Calculator by Eudald Pons Boronat

Pregnancy calculator and diary
Editor's Choice
💪 Health & Fitness
5.0(3 ratings)
Free
OB Wheel Pregnancy Calculator screenshot 1
OB Wheel Pregnancy Calculator screenshot 2
OB Wheel Pregnancy Calculator screenshot 3
OB Wheel Pregnancy Calculator screenshot 4

Calculate your pregnancy due date and gestational age with this modern tool. Track key milestones, view trimester insights, and set reminders for appointments. It offers a clean interface, offline access, and supports custom cycle lengths.

Obstetrics Calculator#2

Obstetrics Calculator by Alexander Snegirev

Strong Contender
🏥 Medical
5.0(1 ratings)
FreeAdsIn-App Purchases
Obstetrics Calculator screenshot 1
Obstetrics Calculator screenshot 2
Obstetrics Calculator screenshot 3
Obstetrics Calculator screenshot 4
Obstetrics Calculator screenshot 5
Obstetrics Calculator screenshot 6

This medical app provides a comprehensive suite of tools for calculating gestational age, estimated due dates, and various risk assessments related to pregnancy and women's health. It includes calculators for maternity leave, cervical assessments, and cancer risk estimations, designed for healthcare professionals.

Perfect OB Wheel#3

Perfect OB Wheel by Evan Schoenberg

Obstetrics calculator
Worth Considering
🏥 Medical
4.9😊(3.4K ratings)
$1.99In-App Purchases
#19in Medical
Perfect OB Wheel screenshot 1
Perfect OB Wheel screenshot 2
Perfect OB Wheel screenshot 3
Perfect OB Wheel screenshot 4
Perfect OB Wheel screenshot 5
Perfect OB Wheel screenshot 6

This app is a comprehensive obstetrics calculator that provides detailed pregnancy information. It offers flexible input options and displays thorough results including estimated due dates, gestational ages, and fetal growth estimates.

What We Love

  • 🚀 Extremely helpful
  • 🚀 Couldn't do my job without it
  • 🚀 Perfect wheel is well-named
  • 🚀 I love this app!

Room to Improve

  • 🐛 rip off to force you to pay more
  • 🐛 App stopped opening
  • 🐛 Stopped working after update 45

More Ob Wheel Pregnancy Calculator apps to explore

4
OB Wheel for Pregnancy
OB Wheel for Pregnancy
OB Wheel for Pregnancy
Due date trimester calculator
Free

This app helps expecting mothers and medical professionals calculate due dates, track pregnancy trimesters, and monitor baby's growth and nutritional needs. It offers a countdown to the due date and provides essential information for informed prenatal care.

Calculate due dateTrack trimestersDetermine measurements
🏥 Medical
(27)
free
5
OB Wheel
OB Wheel
OB Wheel
Due Date Calculator
Free

This app assists expectant mothers and healthcare professionals in tracking pregnancy with accurate due date calculations and weekly fetal development updates. It offers customizable features, health tips, and tools for clinicians to support patient care throughout the journey to delivery.

Accurate due date calculationWeekly fetal development trackerCustomizable reminders and tracking
🏥 Medical
(7)
free
6
Preg Wheel
Preg Wheel
Preg Wheel
by Andrew Yu
Free

This app provides a digital pregnancy wheel for iPhone users, eliminating the need for a physical one. It allows for quick input of key dates and offers accurate results, accounting for calendar variations. The app also saves your information for future use and includes important dates for screenings throughout the pregnancy.

Input LMP, EDD, EGA, and IVF datesAccurate date calculations with leap year supportSave and restore input dates
🏥 Medical
(62)
free
7
Gestational Age (baby's age)
Gestational Age (baby's age)
Gestational Age (baby's age)
Calculator & Prenatal Care
Free

This app helps healthcare professionals quickly calculate gestational age, estimate due dates, and track prenatal care. It offers tools for monitoring pregnancy progress, including clinical charts, fetal weight estimation, and patient history organization.

Gestational age calculation (LMP & Ultrasound)Estimated Due Date (EDD) calculationPrenatal care tracking
🏥 Medical
(184)
free with in-app purchases
8
OB Wheel Pregnancy Tracker
OB Wheel Pregnancy Tracker
OB Wheel Pregnancy Tracker
Due Date Countdown OBGYN
Free

This app helps you estimate key pregnancy dates, including your due date, conception date, and last period. It offers tools to adjust predictions based on ultrasound findings or a known due date. Consult healthcare professionals for precise medical advice.

Last Period EstimatorUltrasound Date AdjustmentConception Date Calculator
🏥 Medical
(11)
free
9
OB Wheels
OB Wheels
OB Wheels
by Joshua D. steinberg
Free

This app calculates due dates, gestational age, and reconciles sonogram and LMP dates using a digital OB wheel and calendar. It offers a familiar interactive wheel for precise date calculations, accounting for leap years.

Calendar calculator for EDD/EDCGestational age calculationInteractive digital OB wheel
🏥 Medical
(15)
free
10
ACOG
ACOG
ACOG
by Fountainhead Mobile Solutions LLC
Free

This app provides obstetricians and gynecologists with essential tools and resources for women's healthcare. Access clinical guidelines, practice advisories, and helpful calculators to support your medical practice.

EDD CalculatorIndicated Delivery tool (members only)Clinical Consensus documents
🏥 Medical
(6.3K)
free
11
OB Wheel+
OB Wheel+
OB Wheel+
Pregnancy calculator for HCPs
Free

This medical app offers precise pregnancy calculations for healthcare professionals and expectant parents. It features multiple calculation modes, projected gestational age, and a timeline of key clinical milestones and screenings. Users can also filter milestones by trimester and compare fetal growth with relatable size comparisons.

Multiple calculation modes (LMP, EDD, IVF, GA)Projected gestational age calculationClinical milestone timeline
🏥 Medical
(1)
ad-supported
12
Premom-Ovulation Tracker, PCOS
Premom-Ovulation Tracker, PCOS
Premom-Ovulation Tracker, PCOS
Period, Fertility & Pregnancy
Free

This app helps women track their menstrual cycles, predict ovulation, and monitor fertility to increase chances of conception. It offers personalized insights, expert guidance, and tools like BBT charting and ovulation test scanning. Users can also track pregnancy progress and connect with a supportive community.

Ovulation test scanning and LH level quantificationAutomatic BBT thermometer syncing and chartingPeriod and cycle logging with symptom tracking
💪 Health & Fitness
(57K)
free with in-app purchases
13
OB Pregnancy Wheel Made Easy
OB Pregnancy Wheel Made Easy
OB Pregnancy Wheel Made Easy
Probably worlds best OB Wheel
Free

This app provides accurate, evidence-based pregnancy calculations for healthcare professionals and expectant parents. It offers multiple dating methods, patient management, and comprehensive pregnancy information with a clean, professional interface.

Multiple dating methods (LMP, conception, ultrasound, IVF)Patient and pregnancy trackingInteractive pregnancy wheel visualization
🏥 Medical
(1)
free
14
OB Wheel Due Date Calculator
OB Wheel Due Date Calculator
OB Wheel Due Date Calculator
Due Date & Gestation Tracker
Free
💪 Health & Fitness
(0)
15
Gestational Age (by Medfolio)
Gestational Age (by Medfolio)
Gestational Age (by Medfolio)
Fast and Intuitive Calculation
Free

This medical app calculates gestational age based on information from leading health organizations. It provides pregnancy development insights but is not a substitute for professional medical advice or diagnosis.

Gestational age calculationBased on ACOG guidelinesInformation from U.S. health departments
🏥 Medical
(2)
free
16
Prego OB Wheel
Prego OB Wheel
Prego OB Wheel
Obstetrics calculator
$4.99

This app is a simple obstetrical calculator and patient tracker. It helps healthcare professionals quickly determine pregnancy dates, gestational age, and track patient progress. Save patient information and notes for easy reference.

Calculate pregnancy dates (LMP, ultrasound, conception, EDD)Determine gestational ageTrack pregnancies
🏥 Medical
(319)
free
17
OB Calc (cloud)
OB Calc (cloud)
OB Calc (cloud)
By a doctor, for doctors
Free

This medical app helps obstetricians efficiently calculate key patient test date windows. It offers multiple calculation methods and allows for saving patient data and generating PDF reports. A free trial is available, followed by a subscription for full access.

LMP, EDC, Ultrasound, CRL, and IVF calculationsCustomizable test date rangesCross-device data syncing
🏥 Medical
(5)
free with in-app purchases
18
Ovia Cycle & Pregnancy Tracker
Ovia Cycle & Pregnancy Tracker
Ovia Cycle & Pregnancy Tracker
Fertility, Ovulation, & Period
Free

Track your menstrual cycle, fertility, pregnancy, postpartum recovery, and menopause with personalized insights and expert articles. This app offers tools for ovulation prediction, baby growth tracking, and symptom management.

Period & Fertility calendarPregnancy tracker with baby growthPostpartum recovery modes
🏥 Medical
(89K)
free with in-app purchases
19
Pregnancy + | Tracker App
Pregnancy + | Tracker App
Pregnancy + | Tracker App
Pregnant? Join over 80m moms!
Free

Track your pregnancy week-by-week with expert advice, daily articles, and interactive 3D models of your baby's development. Features include a due date calculator, kick counter, and tools to plan for labor and organize appointments. Join millions of expecting parents worldwide.

Interactive 3D baby development modelsWeek-by-week pregnancy guidesDue date calculator
🏥 Medical
(75K)
free with in-app purchases
20
The OB Wheel Pro 7
The OB Wheel Pro 7
The OB Wheel Pro 7
Gestational Age Calculator
$1.99

This medical tool assists healthcare professionals in prenatal care by calculating gestational age, fetal weight, and risk tables. It offers a comprehensive suite of calculators for EDD, LMP, conception dates, and ultrasound biometrics, replacing multiple apps and physical wheels.

Gestational Age CalculatorUltrasound Biometric CalculatorFetal Weight Calculator
🏥 Medical
(5)
paid

FAQ about Ob Wheel Pregnancy Calculator

What are the best ob wheel pregnancy calculator apps for iPhone?
OB Wheel Pregnancy Calculator tops our ob wheel pregnancy calculator apps ranking as of June 2026, with a 5.0-star average from 3 App Store ratings, and it's free to download.
Yes — 17 of the top ob wheel pregnancy calculator apps we rank are free to download, including OB Wheel Pregnancy Calculator and Obstetrics Calculator.
OB Wheel Pregnancy Calculator has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 206+ ob wheel pregnancy calculator apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
OB Wheel calculates your due date based on your Last Menstrual Period (LMP) or Estimated Due Date (EDD). It also supports custom cycle lengths for more personalized calculations.
Yes, OB Wheel allows you to save multiple entries and review the history of past pregnancy calculations, making it suitable for tracking multiple pregnancies.