Best Differential Diagnosis Apps

206+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated June 2026

The best differential diagnosis apps on iPhone average 4.6★ across 206+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.

Top Picks for Differential Diagnosis

Diagnosaurus® DDx#1

Diagnosaurus® DDx by Unbound Medicine, Inc.

Best-selling DDx app worldwide
Editor's Choice
🏥 Medical
4.8😐(2.4K ratings)
FreeAdsIn-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

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
DSM-5-TR® Diagnosis Handbook#3

DSM-5-TR® Diagnosis Handbook by Unbound Medicine, Inc.

Differential DDx Text Revision
Worth Considering
🏥 Medical
4.6😞(1.5K ratings)
FreeAdsIn-App Purchases
#83in Medical
DSM-5-TR® Diagnosis Handbook screenshot 1
DSM-5-TR® Diagnosis Handbook screenshot 2
DSM-5-TR® Diagnosis Handbook screenshot 3
DSM-5-TR® Diagnosis Handbook screenshot 4
DSM-5-TR® Diagnosis Handbook screenshot 5
DSM-5-TR® Diagnosis Handbook screenshot 6

Diagnose confidently with the fully updated DSM-5-TR Differential Diagnosis Handbook. Utilize interactive decision trees, algorithms, and the latest classifications to streamline the diagnostic process for psychiatric conditions. Explore detailed entries, tables of differentials, and more on all devices for enhanced clinical assessment.

What We Love

  • 👍 Easy to use
  • 🚀 Quick lookup
  • 💡 Helpful decision trees
  • 🙌 Great app for therapists

Room to Improve

  • 🐛 Spelling errors
  • ⚠️ Lacks full diagnostic criteria
  • 💰 Overpriced for the content

More Differential Diagnosis apps to explore

4
Symptom to Diagnosis EB Guide
Symptom to Diagnosis EB Guide
Symptom to Diagnosis EB Guide
Evidence Based Medicine + DDx
Free

This medical application helps students and residents learn internal medicine through an engaging, case-based approach, teaching an evidence-based process for evaluating, diagnosing, and treating patients based on their clinical complaints. Try the free version and unlock all content with an in-app purchase to access a comprehensive guide to developing diagnostic skills.

🏥 Medical
(29)
5
5 Minute Clinical Consult
5 Minute Clinical Consult
5 Minute Clinical Consult
2026 Edition w/ Bonus Features
Free

An essential medical reference tool, the app provides quick access to diagnosis, treatment, and follow-up information for over 1,000 medical conditions. With bonus features including pediatric disease topics and a comprehensive list of differential diagnoses, it offers a user-friendly interface for medical professionals.

🏥 Medical
(3.1K)
6
Prognosis: Your Diagnosis
Prognosis: Your Diagnosis
Prognosis: Your Diagnosis
Improve your diagnosis skills
Free

Improve your diagnostic skills with an app designed for healthcare professionals to enhance their clinical decision-making abilities. Access a wide range of cases from various medical specialties, get concise diagnostic reasoning, and learn key points to boost your expertise. Practice makes perfect and can be fun – get ready to thrive as a world-class decision-maker!

🏥 Medical
(2.9K)
7
Common Differential Diagnosis
Common Differential Diagnosis
Common Differential Diagnosis
by Mohammed Musa
Free
🏥 Medical
(2)
8
Differential Diagnosis Guide
Differential Diagnosis Guide
Differential Diagnosis Guide
Thoracic Radiology
Free

This medical reference tool helps users review and explore differential diagnoses for chest CT findings, featuring a powerful search function and curated lists of diseases and imaging presentations. Ideal for radiologists and medical students, it offers a comprehensive resource with CT images, alphabetical and organ-system browsing, and voice recognition search capabilities.

🏥 Medical
(22)
9
Nurse's Pocket Guide-Diagnosis
Nurse's Pocket Guide-Diagnosis
Nurse's Pocket Guide-Diagnosis
Nursing Diagnosis, Care Plans
Free

This comprehensive app helps nurses make accurate diagnoses and develop effective care plans with access to 400+ medical conditions, NANDA diagnoses, and prioritized actions/interventions. With its user-friendly features, nurses can quickly search, highlight, and note important information to create personalized care plans and improve patient care.

🏥 Medical
(175)
10
Human Dx
Human Dx
Human Dx
Collective AI + expert answers
Free

Train your clinical reasoning by asking questions and solving medical cases to help those in need. Join us in ending unequal access to medical knowledge.

🔍 Reference
(591)
11
AMBOSS Medical Knowledge
AMBOSS Medical Knowledge
AMBOSS Medical Knowledge
For study & clinical decisions
Free

A comprehensive medical study tool providing essential knowledge for students and professionals in the healthcare field. Enhance your medical knowledge and excel in your studies with this powerful resource.

🏥 Medical
(99)
12
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)
13
UpToDate
UpToDate
UpToDate
by UpToDate
Free

Get evidence-based clinical information anytime, anywhere with this leading clinical decision support resource app for iOS. Features include easy search, free CME credits, medical calculators, and more. Subscribe now for access to better patient care!

🏥 Medical
(73)
14
X-Ray Differential Diagnosis
X-Ray Differential Diagnosis
X-Ray Differential Diagnosis
by Mohammed Musa
Free
🏥 Medical
(2)
15
The Chief Complaint
The Chief Complaint
The Chief Complaint
Emergency medicine guide
Free

The app provides an algorithmic approach to over 50 common emergency medicine complaints, ensuring confidence and clarity in the ER. With access to the ESCAVO Clinical Community for collaboration, it helps clinicians make informed decisions efficiently. Access the app now to enhance your emergency medicine practices!

📚 Education
(649)
16
VisualDx
VisualDx
VisualDx
Medical images & differentials
Free
🏥 Medical
(183)
17
DDx: Differential Diagnosis
DDx: Differential Diagnosis
DDx: Differential Diagnosis
Symptom-to-diagnosis reference
Free
🏥 Medical
(0)
18
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)
19
docLogica
docLogica
docLogica
Point-of-Care Diagnosis
Free

This medical application provides doctors with a comprehensive database of disease characteristics, test accuracies, and diagnosis tools at their fingertips, enabling informed decisions at the point of care. With a subscription, users can access a vast library of information, including disease incidences, symptom frequencies, and diagnostic test accuracies, to improve patient care.

🏥 Medical
(32)
20
STATworkUP® DDx Clinical Guide
STATworkUP® DDx Clinical Guide
STATworkUP® DDx Clinical Guide
Medical Differential Diagnosis
$29.99
$34.99 | 14% OFF

This medical differential diagnosis app helps healthcare providers and students quickly evaluate, diagnose, and manage various medical conditions by correlating symptoms, tests, and treatments. It provides fast access to a vast, evidence-based knowledge base, enabling users to make informed decisions and avoid diagnostic and treatment errors.

🏥 Medical
(10)

Related searches