Best Critical Care Calculator Apps

206+ iOS apps curated and reviewed

4.6 avg rating
14 free apps
Updated June 2026

The best critical care calculator apps on iPhone average 4.6โ˜… across 206+ titles โ€” we've ranked them by what real users actually keep on their phones. Updated June 2026.

Top Picks for Critical Care Calculator

Calculator ##1

Calculator # by Incpt.Mobis

Scientific Calculator
Editor's Choice
๐Ÿ”ง Utilities
4.6๐Ÿ˜(36K ratings)
FreeAdsIn-App Purchases
Calculator # screenshot 1
Calculator # screenshot 2
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Calculator # screenshot 5
Calculator # screenshot 6

Calculate complex mathematical equations effortlessly with this intuitive app. Simplify your calculations on the go with advanced features like graph plotting and equation solving. Download now to supercharge your math skills!

What We Love

  • ๐Ÿ‘ Easy to use
  • ๐Ÿš€ Powerful functionality
  • ๐Ÿ’ก Helpful for math classes
  • โญ Great for students

Room to Improve

  • ๐Ÿ” Confusing interface after update
  • ๐Ÿ“ข Too many intrusive ads
  • ๐Ÿ’ฐ Paywall for advanced features
Critical- Medical Guide#2

Critical- Medical Guide by The Barringer Group, LLC

Strong Contender
๐Ÿฅ Medical
4.8๐Ÿ˜Š(1.1K ratings)
$14.99
#19in Medical
Critical- Medical Guide screenshot 1
Critical- Medical Guide screenshot 2
Critical- Medical Guide screenshot 3
Critical- Medical Guide screenshot 4
Critical- Medical Guide screenshot 5
Critical- Medical Guide screenshot 6

Experience enhanced critical care learning with a comprehensive and sleek reference app designed for healthcare professionals. Access high-definition images, ultrasound, diagrams, and interactive videos for practical guidance.

What We Love

  • ๐Ÿš€ Great resource
  • ๐Ÿ‘ Excellent reference tool
  • ๐Ÿ‘ Fantastic app for critical care
  • ๐Ÿ‘ Comprehensive and easy to use

Room to Improve

  • ๐Ÿ› Crashes after recent update
  • ๐Ÿ› Drip function calculator not working
  • ๐Ÿ› App no longer opens
ClevCalc - Calculator#3

ClevCalc - Calculator by Cleveni Inc.

All-In-One Calculator
Worth Considering
๐Ÿ“Š Productivity
4.7๐Ÿ˜Š(12K ratings)
FreeAdsIn-App Purchases
ClevCalc - Calculator screenshot 1
ClevCalc - Calculator screenshot 2
ClevCalc - Calculator screenshot 3
ClevCalc - Calculator screenshot 4
ClevCalc - Calculator screenshot 5
ClevCalc - Calculator screenshot 6

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!

What We Love

  • ๐Ÿ‘ Easy to use
  • ๐Ÿš€ Efficient calculations
  • ๐Ÿ’ก Versatile features (currency, unit conversions, etc.)
  • ๐Ÿ‘ Intuitive interface

Room to Improve

  • ๐Ÿ’ฐ Subscription model too expensive
  • ๐Ÿ” Ads can be intrusive
  • ๐Ÿ› Occasional UI issues (e.g. ads blocking functionality)

More Critical Care Calculator apps to explore

4
Calculate by QxMD
Calculate by QxMD
Calculate by QxMD
Medical Calculator
Free

A next-generation clinical calculator and decision support tool designed for the medical community, featuring tools across various medical specialties to aid in diagnosis, treatment, and prognosis. Developed by clinician experts, it provides quick answers through unique 'Question Flow' technology and integrates recent research publications for practical use. Try it now to streamline your clinical decision-making process.

๐Ÿฅ Medical
(5.1K)
5
MDCalc Medical Calculator
MDCalc Medical Calculator
MDCalc Medical Calculator
Clinical Decision Support
Free

A top medical calculator app offering over 550 clinical decision tools for healthcare professionals, with features like offline access, CME credit tracking, and customizable lists for quick use. Join now for quick, evidence-based patient care support on-the-go.

๐Ÿฅ Medical
(51K)
6
Pocket ICU
Pocket ICU
Pocket ICU
Best-Selling Critical Care App
Free

This critical care app provides concise guidance and essential information for healthcare professionals, covering various subspecialty areas, with features such as diagnosis and treatment details, images, and decision support algorithms. Download it to quickly locate information, prepare for rounds, and consult expert recommendations in ICU settings.

๐Ÿฅ Medical
(311)
7
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!

๐Ÿ“Š Productivity
(4.8K)
8
Upskilly CCRN  Exam Prep
Upskilly CCRN  Exam Prep
Upskilly CCRN Exam Prep
Critical Care Registered Nurse
Free

Prepare for your Critical Care Registered Nurse exam with a comprehensive study app featuring over 1200 practice questions, detailed rationales, and updated content aligned with the latest exam blueprint. Download the free version for a test run before unlocking all features for success on the CCRN exam.

๐Ÿ“š Education
(979)
9
Critical Care โ€“ Perfusion Calc
Critical Care โ€“ Perfusion Calc
Critical Care โ€“ Perfusion Calc
Critical Care App for nurses
$2.99

This mobile application is a critical care tool designed for medical professionals to manage patients on cardiopulmonary bypass, ECMO, and in critical care units. It offers a range of calculators and functions to support perfusionists, ECMO specialists, anesthesiologists, and critical care nurses in their daily work, helping them to easily find and calculate essential information - download it to streamline your patient care.

๐Ÿฅ Medical
(13)
10
Pocket Prep CCRN Adult 2026
Pocket Prep CCRN Adult 2026
Pocket Prep CCRN Adult 2026
Critical Care Nursing Practice
Free

Access hundreds of exam practice questions for 22 Nursing exams in one place with CCRN Adult Pocket Prep. Choose between FREE Basic Prep or upgrade to PREMIUM for full question bank access and a Pass Guarantee! Start studying with 6 quiz modes and answer explanations today.

๐Ÿฅ Medical
(1.8K)
11
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.

๐Ÿ”ง Utilities
(213)
12
Big Button Calculator Pro Lite
Big Button Calculator Pro Lite
Big Button Calculator Pro Lite
Easy Basic Calculator
Free

Experience the ultimate iOS calculator with big buttons, dual-line display, 18 color themes, and multi-line input for complex equations. Includes convenient gestures like swipe to backspace and clear. Perfect for all your calculating needs!

๐Ÿ”ง Utilities
(13K)
13
ICU Pearls Critical Care tips
ICU Pearls Critical Care tips
ICU Pearls Critical Care tips
Wisdom for doctors and nurses
$0.99

The app is a comprehensive resource for critical care professionals, featuring over 2,000 pearls of wisdom collected from ICU doctors and nurses. It offers features like search, favorites, and text zoom to help users easily access and share the valuable information. The app aims to improve patient care and support medical professionals in their daily practice.

๐Ÿฅ Medical
(15)
14
CliniCalc Medical Calculator
CliniCalc Medical Calculator
CliniCalc Medical Calculator
Formulas, Scales & More
Free

Access a comprehensive medical calculator app with a wide range of formulas and scales for healthcare professionals. Quick and accurate calculations at your fingertips for better patient care. Download now to streamline your clinical practice.

๐Ÿฅ Medical
(1.1K)
15
IV Dosage and Rate Calculator
IV Dosage and Rate Calculator
IV Dosage and Rate Calculator
by MediWeb LLC
$0.99

This medical reference tool helps critical care professionals quickly calculate IV medication dosages and rates for various medications. It allows users to easily compute single doses and infusion rates, including weight-based medications, and provides results in ml/hr and gtts/min.

๐Ÿฅ Medical
(6)
16
MediMath Medical Calculator
MediMath Medical Calculator
MediMath Medical Calculator
by Evan Schoenberg
$0.99

Access 144 medical calculators and scoring tools on your mobile device with MediMath. Save time and provide better patient care with streamlined data entry and comprehensive results. Download now and simplify your medical calculations.

๐Ÿฅ Medical
(40)
17
Calculator Pro Elite
Calculator Pro Elite
Calculator Pro Elite
Best Calculator
$9.99

A fully customizable calculator app with basic and scientific functions, memory features, and a history tape. Design your own color theme, access scientific functions, and enjoy convenient gestures for a seamless calculation experience. Download now for efficient and personalized calculations on-the-go!

๐Ÿ”ง Utilities
(2K)
18
Rapid Vent Calculator
Rapid Vent Calculator
Rapid Vent Calculator
Medical Ventilator Calculator
Free

This medical app helps professionals quickly and accurately calculate ventilator settings and medication dosages, streamlining patient care in emergency situations. By inputting patient data, users can instantly obtain optimal ventilator settings and medication dosages, making it an indispensable tool for precision care.

๐Ÿฅ Medical
(36)
19
CCRNยฎ Critical Care Exam Prep
CCRNยฎ Critical Care Exam Prep
CCRNยฎ Critical Care Exam Prep
Adult Critical Care RN Guide
Free

Prepare for your Adult Critical Care RN certification exam with a comprehensive study tool featuring hundreds of practice questions and detailed explanations. Download the free version to start studying today and upgrade to the Premium Version for lifetime access to over 330 questions, unlimited category access, and detailed results tracking.

๐Ÿฅ Medical
(318)
20
CalcBox -All in One Calculator
CalcBox -All in One Calculator
CalcBox -All in One Calculator
Multipurpose calculator
Free

A multipurpose calculator app that streamlines various calculations in one place, offering tools for arithmetic, unit conversion, date tracking, currency exchange, health assessments, and more. Simplify your daily tasks by downloading the app now!

๐Ÿ”ง Utilities
(347)