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Best Diagnosaurus Apps

189+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated July 2026

With an average user rating of 4.6★, the diagnosaurus category is one of the App Store's strongest. Browse all 189+ apps we track, sorted so the most loved ones surface first.

Compare top Diagnosaurus Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Diagnosaurus® DDxDiagnosaurus® DDxFree4.8★ (2.5K)NoYesAug 2026
2Bates' Pocket GuideBates' Pocket GuideFree4.8★ (295)YesYesAug 2026
35 Minute Clinical Consult5 Minute Clinical ConsultFree4.8★ (3.1K)NoYesAug 2026
4MDCalc Medical CalculatorMDCalc Medical CalculatorFree4.9★ (52K)NoNoAug 2026
5AMBOSS Medical KnowledgeAMBOSS Medical KnowledgeFree4.9★ (14K)YesYesAug 2026
6WebMD: Symptom CheckerWebMD: Symptom CheckerFree4.7★ (135K)YesNoAug 2026
7MobileDDx™ Pocket DDx ToolMobileDDx™ Pocket DDx ToolFree4.4★ (19)YesYesJul 2026
8DSM-5-TR® Diagnosis HandbookDSM-5-TR® Diagnosis HandbookFree4.6★ (1.5K)NoYesAug 2026

Top Picks for Diagnosaurus

Diagnosaurus® DDx#1

Diagnosaurus® DDx by Unbound Medicine, Inc.

Best-selling DDx app worldwide
Editor's Choice
🏥 Medical
4.8😐(2.5K ratings)
FreeIn-App Purchases
Diagnosaurus® DDx screenshot 1
Diagnosaurus® DDx screenshot 2
Diagnosaurus® DDx screenshot 3
Diagnosaurus® DDx screenshot 4
Diagnosaurus® DDx screenshot 5
Diagnosaurus® DDx screenshot 6

This medical reference tool assists healthcare professionals in performing differential diagnoses quickly and confidently. It offers a searchable database of over 1,000 diagnoses, cross-referenced for related conditions, and allows users to save favorite entries and make custom notes.

What We Love

  • 👍 User-friendly interface
  • 🚀 Quick access to differential diagnoses
  • 💡 Helpful for building differential diagnoses
  • 👍 Comprehensive coverage of conditions

Room to Improve

  • 🐛 Lack of in-depth information
  • 🐛 Incomplete differential diagnoses
  • 🐛 Lack of links to explain conditions
Bates' Pocket Guide#2

Bates' Pocket Guide by Unbound Medicine, Inc.

Physical Exam & History Taking
Strong Contender
🏥 Medical
4.8(295 ratings)
FreeAdsIn-App Purchases
Bates' Pocket Guide screenshot 1
Bates' Pocket Guide screenshot 2
Bates' Pocket Guide screenshot 3
Bates' Pocket Guide screenshot 4
Bates' Pocket Guide screenshot 5

This app provides essential information for obtaining health histories and conducting physical exams. It features step-by-step techniques, updated images, and differential diagnoses for quick and accurate interpretation of findings. Ideal for students and professionals needing a fast reference.

5 Minute Clinical Consult#3

5 Minute Clinical Consult by Unbound Medicine, Inc.

2026 Edition w/ Bonus Features
Worth Considering
🏥 Medical
4.8😐(3.1K ratings)
FreeIn-App Purchases
#41in Medical
5 Minute Clinical Consult screenshot 1
5 Minute Clinical Consult screenshot 2
5 Minute Clinical Consult screenshot 3
5 Minute Clinical Consult screenshot 4
5 Minute Clinical Consult screenshot 5
5 Minute Clinical Consult screenshot 6

This app provides quick access to diagnostic and treatment information for over 1,000 medical conditions. It includes bonus content like pediatric diseases and differential diagnoses, with offline access and advanced search capabilities.

What We Love

  • 🚀 Quick reference
  • 📚 Comprehensive medical information
  • 🔍 Easy to navigate
  • 💻 Useful for students and medical professionals

Room to Improve

  • 🔒 Subscription-based access issues
  • 🔍 Difficult search functionality
  • 🔧 Lack of customer support

More Diagnosaurus apps to explore

4
MDCalc Medical Calculator
MDCalc Medical Calculator
MDCalc Medical Calculator
Clinical Decision Support
Free

This app provides over 900 evidence-based medical calculators, risk scores, and clinical tools for healthcare professionals. It offers offline functionality, expert insights, and CME tracking to support patient care at the bedside. Tools are developed and validated by board-certified physicians.

900+ evidence-based calculatorsOffline functionalityExpert insights and commentary
🏥 Medical
(52K)
free
5
AMBOSS Medical Knowledge
AMBOSS Medical Knowledge
AMBOSS Medical Knowledge
For study & clinical decisions
Free

This app provides quick, reliable answers for medical professionals and students. It offers offline access to clinical information, diagnostic image interpretation, and patient care tools. Prepare for exams with high-yield content and integrate with flashcards for enhanced learning.

Offline clinical knowledge accessDiagnostic image interpretationPatient care tools (flowcharts, checklists, calculators)
🏥 Medical
(14K)
free with in-app purchases
6
WebMD: Symptom Checker
WebMD: Symptom Checker
WebMD: Symptom Checker
Med Reminders, Doctor Finder
Free

This app helps you check symptoms, get medication reminders, and find doctors. It also offers prescription savings and information on conditions and drugs.

Symptom CheckerMedication RemindersPrescription Savings
🏥 Medical
(135K)
free with in-app purchases
7
MobileDDx™ Pocket DDx Tool
MobileDDx™ Pocket DDx Tool
MobileDDx™ Pocket DDx Tool
McGraw-Hill Diagnosaurus
Free

This medical reference tool provides over 1,000 differential diagnoses for medicine and surgery. It allows users to explore conditions by organ system, symptoms, or diseases, and includes 1-year online access. Powerful search technology enables quick information retrieval without an internet connection after initial download.

Over 1,000 differential diagnosesSign & Symptom indexDisease Index
🏥 Medical
(19)
free with in-app purchases
8
DSM-5-TR® Diagnosis Handbook
DSM-5-TR® Diagnosis Handbook
DSM-5-TR® Diagnosis Handbook
Differential DDx Text Revision
Free

This app assists clinicians in making accurate psychiatric diagnoses using the latest DSM-5-TR® classifications. It features interactive decision trees and algorithms to guide users through a 6-step diagnostic process, offering differential diagnoses and detailed condition entries.

Interactive decision trees for diagnosisReview selected diagnostic pathsAlgorithms for enhanced assessment
🏥 Medical
(1.5K)
free with in-app purchases
9
Human Dx
Human Dx
Human Dx
Collective AI + expert answers
Free

This app integrates multiple leading AI models with human expert insights to provide comprehensive answers. It leverages collective intelligence to outperform individual experts and AI models for complex queries.

Integrates multiple top AIsCombines human expertiseCollective intelligence system
🔍 Reference
(591)
free
10
FreeSaurus - The Free Thesaurus!
FreeSaurus - The Free Thesaurus!
FreeSaurus - The Free Thesaurus!
by Weeswares Pte Ltd
Free

This is a straightforward thesaurus app that provides synonyms and antonyms for words. It focuses on simplicity and ease of use, offering related words alongside definitions. An internet connection is required for it to function.

Synonyms and antonymsRelated wordsSimple interface
🔍 Reference
(120)
free
11
Doximity
Doximity
Doximity
Clinical AI, Calling & News
Free

This app provides U.S. healthcare professionals with AI-powered clinical tools, secure communication, and news. It offers features like AI-assisted clinical question answering, time-saving administrative tools, patient calling, ambient note-taking, and secure faxing. It aims to simplify daily tasks and improve patient care.

AI-powered clinical question answeringHIPAA-compliant AI for administrative tasksSecure patient calling and messaging
🏥 Medical
(196K)
free
12
UpToDate
UpToDate
UpToDate
by UpToDate
Free

This clinical decision support tool provides healthcare professionals with evidence-based guidance to improve patient care. It features AI-powered conversational answers, continuously updated medical content, and tools for drug reference, calculations, and patient education.

Expert AI conversational guidanceGold standard clinical contentPractice-changing updates
🏥 Medical
(573)
subscription
13
The Chief Complaint
The Chief Complaint
The Chief Complaint
Emergency medicine guide
Free

This emergency medicine guide offers an algorithmic approach to over 50 common complaints. It provides decision support, links to medical resources, and includes a drug guide and calculators. A clinical community forum is also available for collaboration.

Algorithmic approach to common ER complaintsClinical decision support algorithmsLinks to medical resources (PubMed, EM:RAP, etc.)
📚 Education
(649)
free
14
Nurse's Pocket Guide-Diagnosis
Nurse's Pocket Guide-Diagnosis
Nurse's Pocket Guide-Diagnosis
Nursing Diagnosis, Care Plans
Free

This app assists nurses in creating accurate nursing diagnoses and care plans. It provides detailed information for over 400 medical conditions, including definitions, interventions, and documentation guidelines. Users can also search by patient symptom to find related diagnoses.

400+ medical conditions with nursing diagnosesNCSBN Clinical Judgment Measurement Model updatesNANDA-I and ICNP diagnoses
🏥 Medical
(176)
free with in-app purchases
15
Clinical Sense
Clinical Sense
Clinical Sense
Improve your diagnosis skills
Free

Practice managing patients through challenging clinical scenarios. This app helps healthcare professionals and students hone their diagnostic and management skills across various medical specialties. New scenarios are added weekly, reflecting current health trends.

Patient management simulationReal-time medical decision makingDiverse medical specialties
🏥 Medical
(255)
ad-supported
16
Guide to Diagnostic Tests
Guide to Diagnostic Tests
Guide to Diagnostic Tests
Evidence-based recommendations
Free

Access evidence-based information on over 450 diagnostic tests, including lab work, imaging, and therapeutic monitoring. This resource helps healthcare professionals quickly find answers to common questions about test selection, interpretation, and patient preparation.

450+ diagnostic testsEvidence-based recommendationsAlgorithms, tables, and charts
🏥 Medical
(35)
free with in-app purchases
17
Common Differential Diagnosis
Common Differential Diagnosis
Common Differential Diagnosis
by Mohammed Musa
Free

This app offers medical professionals a quick reference for common symptoms and their potential differential diagnoses. It covers a wide range of conditions across various medical specialties, allowing users to explore symptoms or diseases.

Symptom-to-disease mappingDisease-to-symptom mappingCovers ~180 conditions
🏥 Medical
(2)
free
18
Eponyms (for students)
Eponyms (for students)
Eponyms (for students)
Learn Medical Terms
Free

This app provides quick access to definitions for approximately 1800 medical eponyms, drawing from a comprehensive database. It features a learn mode for efficient study and allows users to search, browse by category, and star favorite terms.

1800+ medical eponymsFull text searchBrowse by category
🏥 Medical
(8)
free
19
Weber: Nurse Health Assessment
Weber: Nurse Health Assessment
Weber: Nurse Health Assessment
Latest Step-by-Step Guidance
Free

This app provides comprehensive, step-by-step guidance for health assessments of adults, children, and special populations. It features detailed descriptions of techniques, normal and abnormal findings, and nursing interventions, supported by hundreds of images and illustrations.

Step-by-step assessment techniquesHundreds of full-color imagesNormal and abnormal findings tables
🏥 Medical
(30)
free with in-app purchases
20
DSM-5
DSM-5
DSM-5
DSM-5 Exam Test Prep & Guide
Free

Prepare for the DSM-5 exam with a comprehensive mobile study guide. It offers practice questions, personalized study plans, and detailed performance tracking to boost your confidence and improve diagnostic skills.

Personalized study plan500+ practice questionsStrength and weakness tracking
📚 Education
(284)
free with in-app purchases

FAQ about Diagnosaurus

What are the best diagnosaurus apps for iPhone?
Diagnosaurus® DDx tops our diagnosaurus apps ranking as of July 2026, with a 4.8-star average from 2.5K App Store ratings, and it's free to download.
Yes — 20 of the top diagnosaurus apps we rank are free to download, including Diagnosaurus® DDx and Bates' Pocket Guide.
Diagnosaurus® DDx has no ads and offers in-app purchases, according to its App Store listing as of July 2026.
We track 189+ diagnosaurus apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Diagnosaurus DDx is a quick-reference tool designed for healthcare professionals to assist with differential diagnosis. It provides access to over 1,000 diagnoses, organized by organ system, symptom, or disease, enabling users to quickly explore potential conditions.
Key features include a database of over 1,000 differential diagnoses, the ability to search by organ system, symptom, or disease, and a 'See Related DDx' function to explore alternative diagnoses. Users can also highlight entries, make custom notes, and save important entries to a 'Favorites' list.

Related searches

diagnosaurus® ddx