Best Critical Illness Apps

181+ iOS apps curated and reviewed

4.6 avg rating
16 free apps
Updated June 2026

Out of 181+ critical illness apps on iOS, 16 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Critical Illness

Critical- Medical Guide#1
4.8😊(1.1K ratings)
$14.99
#19in Medical
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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

  • 🚀 Great resource
  • 👍 Excellent reference tool
  • 👍 Fantastic app for critical care
  • 👍 Comprehensive and easy to use

Room to Improve

  • 🐛 Crashes after recent update
  • 🐛 Drip function calculator not working
  • 🐛 App no longer opens
Pocket ICU#2

Pocket ICU by Unbound Medicine, Inc.

Best-Selling Critical Care App
Strong Contender
🏥 Medical
4.6(311 ratings)
FreeAdsIn-App Purchases
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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.

ICU Pearls Critical Care tips#3

ICU Pearls Critical Care tips by KAVAPOINT

Wisdom for doctors and nurses
Worth Considering
🏥 Medical
4.9(15 ratings)
$0.99
ICU Pearls Critical Care tips screenshot 1
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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.

More Critical Illness apps to explore

4
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.

📚 Education
(979)
5
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.

🏥 Medical
(1.8K)
6
Learn ICU
Learn ICU
Learn ICU
by Society of Critical Care Medicine
Free

Access critical care educational content on-the-go with the app from the Society of Critical Care Medicine. Download learning materials directly to your device and provide the Right Care, Right Now™ to critically ill patients.

📚 Education
(168)
7
CHEST SEEK
CHEST SEEK
CHEST SEEK
by American College of Chest Physicians
Free

Access a comprehensive library of over 1,200 case-based questions and detailed rationales covering various medical topics. Prepare for exams, earn CME credit, and enhance your clinical knowledge with the CHEST SEEK app. Sign in with your CHEST ID to get started.

📚 Education
(494)
8
MPR Drug and Medical Guide
MPR Drug and Medical Guide
MPR Drug and Medical Guide
MD Medications and Reference
Free

This app provides healthcare professionals with comprehensive drug information, calculators, and treatment charts, offering a convenient and trusted point-of-care reference tool. With features such as a Redesign for improved usability, myCME for earning CME/CE credits, and a Generic-Brand Guide, it supports better care decisions on the go.

🏥 Medical
(6K)
9
CCRN® Critical Care Exam Prep
CCRN® Critical Care Exam Prep
CCRN® 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.

🏥 Medical
(318)
10
Critical Care Handbook of MGH
Critical Care Handbook of MGH
Critical Care Handbook of MGH
#1 ICU Disaster Preparedness
Free

This medical reference app provides comprehensive, up-to-date information on critical care, covering general principles, specific conditions, and healthcare services, making it an essential tool for medical students, residents, and healthcare professionals. Download the free app to try before you buy, and unlock all content with an in-app purchase.

🏥 Medical
(17)
11
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.

🏥 Medical
(51K)
12
Johns Hopkins Antibiotic Guide
Johns Hopkins Antibiotic Guide
Johns Hopkins Antibiotic Guide
ABX, HIV, Psych, Diabetes
Free

This comprehensive medical application offers evidence-based recommendations, expert analysis, and monthly content updates on topics ranging from antibiotics and HIV to psychiatry and diabetes. Features include detailed drug listings, disease management information, expert commentary, and access to literature references. Download now for a 30-day free trial and access essential medical information on-the-go.

🏥 Medical
(3.7K)
13
SCCM POC
SCCM POC
SCCM POC
by PDA Verticals Corporation
Free

Access critical care guidelines and resources anytime, anywhere with this point-of-care application, featuring quick access to clinical recommendations, podcasts, and articles. Download the app to get trusted critical care guidelines and tools at your fingertips, with offline access for uninterrupted use.

🏥 Medical
(110)
14
Critical Care Nurse Exam 2026
Critical Care Nurse Exam 2026
Critical Care Nurse Exam 2026
Adult, Pediatric, Neonatal
Free

This comprehensive exam prep app helps critical care nurses master certification exams with thousands of practice questions, detailed explanations, and various test modes. By downloading the app, nurses can efficiently study and enhance their confidence to achieve certification success in adult, pediatric, and neonatal critical care.

📚 Education
(19)
15
iCU Notes
iCU Notes
iCU Notes
by DocNotes Ltd
Free

This critical care handbook is a pocket guide for clinicians, nursing staff, and allied health professionals, providing concise information and practical knowledge on critical care concepts. With 11 modules, smart search function, and over 80 colour illustrations, it offers a comprehensive resource for improving critical care skills, and it's completely free.

🏥 Medical
(12)
16
Critical Care Nursing CCRN
Critical Care Nursing CCRN
Critical Care Nursing CCRN
CCRN Exam Prep Made Easy
Free

This application provides critical care nursing skills guidance and preparation for the Critical Care certification exam, offering a comprehensive review of acute care conditions, nursing skills, and best practices. Download the free app to try before you buy, and unlock all content with an in-app purchase to access expert guidance, images, charts, and practice exams.

🏥 Medical
(3)
17
EMRA PressorDex
EMRA PressorDex
EMRA PressorDex
by Emergency Medicine Residents' Association
$16.99

This comprehensive therapeutic guide helps emergency medicine physicians choose the right medication and dosing regimen for critically ill patients, providing concise tools for making informed decisions quickly. Download it to access a wide range of pressors, vasoactive drugs, and other essential medications at your fingertips.

🏥 Medical
(13)
18
ICU Trials by ClinCalc
ICU Trials by ClinCalc
ICU Trials by ClinCalc
Summarized landmark ICU trials
$4.99

This application provides a quick reference for critical care clinicians, summarizing key points from landmark ICU trials across various specialties. It allows users to easily access and share trial information, making it a valuable learning and sharing tool for healthcare professionals.

🏥 Medical
(64)
19
Washington Manual Critical
Washington Manual Critical
Washington Manual Critical
Intercalative Flowcharts
Free

This medical application provides critical care professionals with comprehensive and current information for bedside diagnosis and management of common illnesses and problems encountered in the ICU setting. It offers easy-to-read algorithms, overviews of procedures, and information on drug interactions and dosages, allowing users to try a free version before purchasing the full content.

🏥 Medical
(36)
20
Critical Care Vault
Critical Care Vault
Critical Care Vault
Critical care training & tools
Free
🏥 Medical
(6)