Best Lmp Calculator Apps

208+ iOS apps curated and reviewed

4.5 avg rating
17 free apps
Updated June 2026

Obstetrics Calculator is the household name in lmp calculator, but it's far from the only option. We track 208+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Lmp Calculator

Gestational Age (baby's age)#3

Gestational Age (baby's age) by Daniel Correia

Calculator & Prenatal Care
Worth Considering
🏥 Medical
4.9(181 ratings)
FreeAdsIn-App Purchases
Gestational Age (baby's age) screenshot 1
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Gestational Age (baby's age) screenshot 3
Gestational Age (baby's age) screenshot 4
Gestational Age (baby's age) screenshot 5
Gestational Age (baby's age) screenshot 6

This application provides a quick and easy way to calculate gestational age and offers valuable information such as estimated delivery dates and fetal weight. It features a practical BMI calculator and allows users to track pregnancy progress, making it an essential tool for healthcare professionals and pregnant women.

More Lmp Calculator apps to explore

4
OB Wheels
OB Wheels
OB Wheels
by Joshua D. steinberg
Free

This application combines a calendar calculator, an interactive OB wheel, and a reference guide for reconciling due dates from LMP and sonograms, providing clinicians with a comprehensive tool for deriving essential dates in pregnancy care. Download the app to accurately determine EDD, gestational age, and reconcile due dates with ease.

🏥 Medical
(15)
5
Pregnancy Calculators Pro
Pregnancy Calculators Pro
Pregnancy Calculators Pro
Maternity and Motherhood
Free
💪 Health & Fitness
(0)
6
Perfect OB Wheel
Perfect OB Wheel
Perfect OB Wheel
Obstetrics calculator
$1.99

A comprehensive obstetrics calculator app offering flexible input options, speed, thorough results, accuracy, and data persistence. Upgrade to Perfect OB Tracker for enhanced pregnancy tracking features and HIPAA compliance.

🏥 Medical
(3.4K)
7
OB Calc (cloud)
OB Calc (cloud)
OB Calc (cloud)
By a doctor, for doctors
Free

This application helps obstetricians efficiently calculate important test date windows for patients using various methods, including LMP, EDC, sonogram, and IVF. Try it for free for 7 days and access premium features with a low monthly subscription, allowing you to save patient data and sync across devices.

🏥 Medical
(5)
8
ClevCalc - Calculator
ClevCalc - Calculator
ClevCalc - Calculator
All-In-One Calculator
Free

A comprehensive all-in-one calculator app with features like scientific calculator, unit converter, currency converter, percentage calculator, and more for everyday use. It provides a wide range of calculation tools from basic arithmetic to complex conversions and financial calculations. Try it out now for convenient and efficient calculations!

📊 Productivity
(12K)
9
Garbhgyan Pregnancy Calculator
Garbhgyan Pregnancy Calculator
Garbhgyan Pregnancy Calculator
LMP to EDD, Weeks & Months
Free

This pregnancy tracking tool helps expecting mothers calculate their estimated delivery date and monitor their progress by tracking weeks, months, and trimesters. It also provides insights into the baby's growth and development, making it a perfect companion for a smooth and informed pregnancy journey.

🔧 Utilities
(0)
10
Calculator for iPad₊
Calculator for iPad₊
Calculator for iPad₊
Basic, Scientific, Plus Calc
Free

A powerful math solver and scientific calculator for iPad and iPhone, featuring advanced functions and quick calculations. Share your results easily and master your business expenses with percentage calculations. Get it now!

🔧 Utilities
(126K)
11
Sci:Pro Calculator
Sci:Pro Calculator
Sci:Pro Calculator
by Jerry Montgomery
Free

A versatile calculator app with Basic, Scientific, and Programmer modes for iPhone, iPad, and iPod Touch. Easily view history and share results via email or copy. Get precise calculations on-the-go!

🔧 Utilities
(3.6K)
12
Digits Tape Calculator
Digits Tape Calculator
Digits Tape Calculator
The calculator for humans
$1.99

Try Digits Tape Calculator, the calculator designed for humans. With a unique correctable tape feature, spreadsheet-like editing, and calculator simplicity, it's perfect for tracking expenses and budgets. Get organized on-the-go with Digits 3 for iOS.

🔧 Utilities
(1.1K)
13
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
Calculates everything. Try it.
Free

A versatile calculator app for iPhone and iPad offering over 40 calculators and unit converters for finance, health, and more. Simplify your calculations with just one app today!

📊 Productivity
(4.8K)
14
Calculator +
Calculator +
Calculator +
Scientific Calc Plus Fraction
Free

Experience the award-winning calculator app for iPad and iPhone, offering a free basic and scientific calculator with an elegant design, simple usability, and beautiful interface. Calculate with ease and precision today!

🔧 Utilities
(9.6K)
15
Panecal Scientific Calculator
Panecal Scientific Calculator
Panecal Scientific Calculator
For engineers and students
Free

A scientific calculator app designed for engineers and students, offering features like formula display, quick editing, memory functions, and various calculation modes. Improve accuracy and efficiency with easy formula navigation and editing tools. Explore advanced functions for different number systems and mathematical operations.

🔧 Utilities
(1.9K)
16
Calculator ∞
Calculator ∞
Calculator ∞
The Best Scientific Calculator
$5.99

A top-rated scientific calculator app on iOS devices offering advanced math functions with a user-friendly interface for users of all levels. Features include step-by-step solutions, math photo solving, and handwriting recognition. Enhance your calculations with this versatile tool.

📚 Education
(6.2K)
17
Scientific Calculator Plus 991
Scientific Calculator Plus 991
Scientific Calculator Plus 991
Designed for math calculator
Free

A versatile scientific calculator app designed for math enthusiasts, offering features like natural display for textbook-like equations, symbolic and numeric modes, complex number calculations, calculus functions, statistical analysis, and unit conversion. With a premium upgrade option for additional advanced features and customization. Access the power of NCalc FX now!

📚 Education
(12K)
18
McCalc Fusion Calculator
McCalc Fusion Calculator
McCalc Fusion Calculator
HDPE/PP Pressure Calculator
Free

This calculator helps you find the correct fusion pressure for HDPE and Polypropylene pipe fusion jobs by selecting your fusion machine and entering pipe size and pressure requirements. Try it now to take the guesswork out of pipe fusion and get the recommended theoretical gauge pressure for your project.

💼 Business
(18)
19
Calculator with History Tape
Calculator with History Tape
Calculator with History Tape
No Ads Calculator with Memory
Free

Access a user-friendly calculator app with a built-in archive of your calculations for easy reference. Enjoy an ad-free experience with customizable features for seamless calculations. Try it now for straightforward and efficient math operations.

📊 Productivity
(3.2K)
20
PCalc Lite
PCalc Lite
PCalc Lite
The Best Calculator
Free

PCalc Lite is the ideal calculator app for scientists, engineers, students, and programmers offering RPN mode, multi-line display, unit conversions, constants, and more. Try it for free on your iPad and upgrade for additional features or themes. Also available on Apple Watch for on-the-go calculations.

🔧 Utilities
(213)