Best Obstetrics Calculator Alternative Apps

0+ iOS apps curated and reviewed

4.7 avg rating
17 free apps
Updated June 2026

Every iPhone needs a few good obstetrics calculator alternative apps. We benchmark 0+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Obstetrics Calculator Alternative Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Calculator #Calculator #Free4.6★ (36K)YesYesAug 2026
2Perfect OB WheelPerfect OB Wheel$1.994.9★ (3.6K)NoYesAug 2026
3Calculator ∞Calculator ∞$1.994.7★ (6.3K)NoYesAug 2026
4ClevCalc - CalculatorClevCalc - CalculatorFree4.7★ (13K)YesYesAug 2026
5Digits Tape CalculatorDigits Tape Calculator$1.994.8★ (1.1K)NoYesAug 2026
6Obstetrics CalculatorObstetrics CalculatorFree5.0★ (1)YesYesJul 2026
7Premom-Ovulation Tracker, PCOSPremom-Ovulation Tracker, PCOSFree4.8★ (59K)NoYesAug 2026
8Age Calculator AppAge Calculator AppFree4.5★ (3.3K)YesYesAug 2026

Top Picks for Obstetrics Calculator Alternative

Calculator ##1

Calculator # by Incpt.Mobis

Scientific Calculator
Editor's Choice
🔧 Utilities
4.6😐(36K ratings)
FreeAdsIn-App Purchases
Calculator # screenshot 1
Calculator # screenshot 2
Calculator # screenshot 3
Calculator # screenshot 4
Calculator # screenshot 5
Calculator # screenshot 6

This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.

What We Love

  • 👍 Easy to use
  • 🚀 Powerful functionality
  • 💡 Helpful for math classes
  • ⭐ Great for students

Room to Improve

  • 🔍 Confusing interface after update
  • 📢 Too many intrusive ads
  • 💰 Paywall for advanced features
Perfect OB Wheel#2

Perfect OB Wheel by Evan Schoenberg

Obstetrics calculator
Strong Contender
🏥 Medical
4.9😊(3.6K ratings)
$1.99In-App Purchases
#44in 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
Calculator ∞#3

Calculator ∞ by Incpt.Mobis

The Best Scientific Calculator
Worth Considering
📚 Education
4.7(6.3K ratings)
$1.99In-App Purchases
Calculator ∞ screenshot 1
Calculator ∞ screenshot 2
Calculator ∞ screenshot 3
Calculator ∞ screenshot 4
Calculator ∞ screenshot 5
Calculator ∞ screenshot 6

This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.

More Obstetrics Calculator Alternative apps to explore

4
ClevCalc - Calculator
ClevCalc - Calculator
ClevCalc - Calculator
All-In-One Calculator
Free

This comprehensive calculator app offers a wide range of tools for everyday calculations, from basic arithmetic and scientific functions to unit and currency conversions. It includes specialized calculators for loans, health, fuel costs, GPA, and more, all within a clean and user-friendly interface.

Scientific calculatorUnit converterCurrency converter
📊 Productivity
(13K)
free with in-app purchases
5
Digits Tape Calculator
Digits Tape Calculator
Digits Tape Calculator
The calculator for humans
$1.99

This app offers a calculator with an editable, line-by-line tape history, combining spreadsheet-like functionality with calculator simplicity. Easily correct mistakes, add comments, and share or print your calculations.

Editable line-by-line tape historyCorrect and insert entriesAdd labels and comments
🔧 Utilities
(1.1K)
free with in-app purchases
6
Obstetrics Calculator
Obstetrics Calculator
Obstetrics Calculator
by Alexander Snegirev
Free

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.

Gestational age and due date calculationMultiple calculation methods (LMP, ultrasound, IVF)Maternity leave timeframe estimation
🏥 Medical
(1)
free with in-app purchases
7
Premom-Ovulation Tracker, PCOS
Premom-Ovulation Tracker, PCOS
Premom-Ovulation Tracker, PCOS
Fertility, Period & 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
(59K)
free with in-app purchases
8
Age Calculator App
Age Calculator App
Age Calculator App
Easy Age Calculator
Free

Calculate your exact age in various units like months, days, hours, minutes, and seconds. This app also includes a BMI calculator for additional health insights.

Calculate age in monthsCalculate age in daysCalculate age in hours
🔧 Utilities
(3.3K)
free with in-app purchases
9
Femometer Fertility Tracker
Femometer Fertility Tracker
Femometer Fertility Tracker
Ovulation & Period Calendar
Free

This app helps women track their menstrual cycles, predict ovulation, and monitor fertility. It records period dates, symptoms, and test results to provide personalized insights and increase conception rates. It also supports users throughout pregnancy with tracking and educational resources.

Period and PMS trackingOvulation and fertile window predictionBasal Body Temperature (BBT) charting
💪 Health & Fitness
(70K)
free with in-app purchases
10
Glow Ovulation & Period App
Glow Ovulation & Period App
Glow Ovulation & Period App
FDA Listed Fertility Tracker
Free

Track your menstrual cycle, ovulation, and fertility signs with personalized insights. Improve your chances of getting pregnant and better understand your body. Connect with a supportive community for advice and shared experiences.

Menstrual cycle trackingOvulation predictionFertility sign tracking
💪 Health & Fitness
(75K)
freemium
11
Pregmate Ovulation Tracker
Pregmate Ovulation Tracker
Pregmate Ovulation Tracker
Period • Fertility Test Reader
Free

Easily track ovulation, predict fertile days, and understand your cycle. Scan test strips with your phone's camera for automatic analysis. Get personalized insights and reminders to maximize your chances of conception.

Accurate ovulation predictionsTest strip reader with auto-detectionPersonalized fertility window tracking
💪 Health & Fitness
(12K)
free with in-app purchases
12
Pregnancy Baby Tracker - WTE
Pregnancy Baby Tracker - WTE
Pregnancy Baby Tracker - WTE
Track Development & Growth
Free

This app guides you through pregnancy and early parenthood with weekly updates, development trackers, and expert advice. It helps you monitor your baby's growth, manage symptoms, and connect with other parents.

Week-by-week pregnancy trackerDue date calculatorBaby development and growth tracking
🏥 Medical
(378K)
free with in-app purchases
13
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
(90K)
free with in-app purchases
14
Calculate by QxMD
Calculate by QxMD
Calculate by QxMD
Medical Calculator
Free

This clinical calculator and decision support tool offers over 200 medical calculators and tools for diagnosis, treatment, and prognosis. It adapts to your practice and provides detailed references, integrating with PubMed and Read by QxMD.

Over 200 medical calculatorsClinical decision support toolsCardiology, internal medicine, and more
🏥 Medical
(5.1K)
free with in-app purchases
15
Age Calculator Original
Age Calculator Original
Age Calculator Original
Calculate Chronological Age
Free

Calculate your precise age in various units of time, from years down to seconds. Save ages, find remaining time until your next birthday, and use it for various counting needs like birthdays or pets.

Calculate age in multiple time unitsSave ages with namesEmail calculated results
🌟 Lifestyle
(78)
free
16
The Bump: Baby & Pregnancy App
The Bump: Baby & Pregnancy App
The Bump: Baby & Pregnancy App
Baby Tracker, Growth & Names
Free

This app is a comprehensive pregnancy and baby tracker for expecting and new parents. It offers weekly updates on baby's growth with fun comparisons, a baby name finder, and daily advice from experts. It also includes helpful tools like a due date calculator, kick counter, and a food safety guide.

Weekly baby growth comparisonsBaby name finder3D interactive baby growth visualization
💪 Health & Fitness
(39K)
free with in-app purchases
17
Femia - Fertility & Pregnancy
Femia - Fertility & Pregnancy
Femia - Fertility & Pregnancy
Track Period & Ovulation Cycle
Free

This app supports women on their journey to motherhood, offering personalized guidance to optimize fertility and track pregnancy. It provides insights into baby development with 3D models and offers 24/7 access to expert health advice and personalized reports.

Fertility optimization plansPersonalized pregnancy advice3D baby development tracking
💪 Health & Fitness
(5.7K)
freemium
18
My Cycle ؜
My Cycle ؜
My Cycle ؜
Ovulation & Period Tracker
Free

Easily track your menstrual cycles and ovulation dates. Get timely reminders for your next period and identify your most fertile days for conception. This app also serves as a personal journal to log symptoms, mood changes, and other important events.

Period trackingOvulation predictionFertility window identification
💪 Health & Fitness
(93K)
free
19
Glow Eve Period Tracker
Glow Eve Period Tracker
Glow Eve Period Tracker
Ovulation & Flow App
Free

This app helps women track their menstrual cycles, predict periods and ovulation, and log moods and symptoms. It offers insights into health trends and a supportive community for discussing sexual health.

Period and ovulation predictionMood and symptom loggingHealth data visualization
💪 Health & Fitness
(114K)
freemium
20
MyDays X
MyDays X
MyDays X
Period & Ovulation Calendar
Free

This app helps women track their menstrual cycles, predict fertile days, and monitor various health symptoms. It offers intelligent notifications, a community chat, and detailed tracking options for a comprehensive overview of reproductive health.

Period and ovulation predictionFertile day trackingSymptom and mood logging
🌟 Lifestyle
(752)
free with in-app purchases

FAQ about Obstetrics Calculator Alternative

What are the best obstetrics calculator alternative apps for iPhone?
Calculator # tops our obstetrics calculator alternative apps ranking as of June 2026, with a 4.6-star average from 36K App Store ratings, and it's free to download.
Yes — 17 of the top obstetrics calculator alternative apps we rank are free to download, including Calculator # and ClevCalc - Calculator.
Calculator # shows ads and offers in-app purchases, according to its App Store listing as of June 2026.
Calculator # is a multi-function calculator app that provides basic, scientific, and algebraic calculations. It also offers advanced features like a math photo solver, handwriting recognition, equation solvers, and 2D graphing capabilities.
Key features include a math photo solver, handwriting recognition, an AI math problem solver, mathematical display, history tape view, basic and advanced functions, algebraic capabilities, equation solvers, and 2D graphing. Some advanced features require in-app purchases.