Best Medical Diagnosis Apps

196+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated July 2026

From beginner-friendly picks to power-user tools, our medical diagnosis list covers 196+ iPhone apps updated through July 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Medical Diagnosis

WebMD: Symptom Checker#1

WebMD: Symptom Checker by WebMD Health Corporation

Med Reminders, Doctor Finder
Editor's Choice
๐Ÿฅ Medical
4.7๐Ÿ˜(135K ratings)
FreeAds
WebMD: Symptom Checker screenshot 1
WebMD: Symptom Checker screenshot 2
WebMD: Symptom Checker screenshot 3
WebMD: Symptom Checker screenshot 4
WebMD: Symptom Checker screenshot 5
WebMD: Symptom Checker screenshot 6

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

What We Love

  • ๐Ÿ‘ Useful medical information
  • ๐Ÿš€ Easy to navigate
  • ๐Ÿ’Š Helpful medication reminders
  • ๐Ÿ“š Valuable medical resource

Room to Improve

  • ๐Ÿ› Frequent crashes
  • ๐Ÿ” Limited search functionality
  • ๐Ÿ’ป Outdated or missing information
VisualDx#2

VisualDx by Logical Images

Medical images & differentials
Strong Contender
๐Ÿฅ Medical
4.4๐Ÿ˜Š(183 ratings)
FreeAdsIn-App Purchases
#24in Medical
VisualDx screenshot 1
VisualDx screenshot 2
VisualDx screenshot 3
VisualDx screenshot 4

This visual reference tool aids medical professionals in improving patient engagement and diagnostic accuracy. It utilizes AI and a vast image atlas to help build custom differentials, share patient-specific images, and access comprehensive diagnostic information. Earn continuing education credits while making better medical decisions.

What We Love

  • ๐Ÿ“ธ Excellent clinical images and kodachromes
  • ๐Ÿ‘ User-friendly interface and easy navigation
  • ๐ŸŽ“ Comprehensive differential diagnosis tool
  • ๐Ÿ“š Detailed disease summaries and treatment information

Room to Improve

  • ๐Ÿ’ฐ Expensive subscription cost
  • โŒ Difficult subscription cancellation process
  • ๐Ÿ› App crashes and performance issues
Ada - your health portal#3

Ada - your health portal by Ada Health GmbH

Access health assessment
Worth Considering
๐Ÿฅ Medical
4.8๐Ÿ˜Š(11K ratings)
FreeAds
Ada - your health portal screenshot 1
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Ada - your health portal screenshot 4

Access a 24/7 symptom checker to understand potential health concerns. Answer simple questions and receive a personalized assessment report with possible causes and next steps. This app connects to a CE-marked medical device for smart health insights.

What We Love

  • ๐Ÿ‘ Helpful for assessing symptoms
  • ๐Ÿš€ Accurate and thorough symptom analysis
  • ๐Ÿ’ก Provides possible diagnoses with likelihood
  • ๐Ÿ‘ Calm and reassuring interface

Room to Improve

  • ๐Ÿ› Limited options for some symptoms
  • ๐Ÿ› Difficulty entering additional information
  • ๐Ÿ’ก Lack of integration with other health apps

More Medical Diagnosis apps to explore

4
Prognosis: Your Diagnosis
Prognosis: Your Diagnosis
Prognosis: Your Diagnosis
Improve your diagnosis skills
Free

Enhance your diagnostic and management skills with interactive clinical cases. Access facts and explanations to understand the rationale behind diagnoses and treatments. New cases are added weekly, reflecting current medical trends.

Interactive clinical casesDiagnostic and management rationaleSuccinct explanations
๐Ÿฅ Medical
(2.9K)
ad-supported
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)
๐Ÿฅ Medical
(13K)
free with in-app purchases
6
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
๐Ÿฅ Medical
(51K)
free
7
Diagnosaurusยฎ DDx
Diagnosaurusยฎ DDx
Diagnosaurusยฎ DDx
Best-selling DDx app worldwide
Free

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.

Over 1,000 differential diagnosesSearch by organ system, symptom, or diseaseSee Related DDx feature
๐Ÿฅ Medical
(2.4K)
free with in-app purchases
8
QMDT: Quick Medical Diagnosis
QMDT: Quick Medical Diagnosis
QMDT: Quick Medical Diagnosis
& Current Treatment w/ Updates
Free

Access a comprehensive guide for medical diagnosis and evidence-based treatment options. This resource provides concise coverage of over 950 diseases and disorders, updated annually with expert information and links to primary literature.

Guidance on 950+ diseases and disordersAnnual updatesEvidence-based diagnosis and treatment
๐Ÿฅ Medical
(66)
free with in-app purchases
9
DDx: Differential Diagnosis
DDx: Differential Diagnosis
DDx: Differential Diagnosis
Symptom-to-diagnosis reference
Free
๐Ÿฅ Medical
(0)
10
ICD10 Consult
ICD10 Consult
ICD10 Consult
Smart, quick medical coding
Free

Access a comprehensive and current ICD-10-CM medical coding resource with flexible, natural language search. This app simplifies coding by understanding synonyms, acronyms, and variations in terminology, and allows for custom notes and quick access to frequently used codes.

Flexible, natural language searchCustomizable code notesCross-referenced acronyms and synonyms
๐Ÿฅ Medical
(14K)
ad-supported
11
Figure 1 - Medical Cases
Figure 1 - Medical Cases
Figure 1 - Medical Cases
Expand your clinical knowledge
Free

Connect with healthcare professionals worldwide to view, share, and discuss real-world patient cases. Access thousands of common and rare cases to enhance your clinical knowledge and improve patient diagnosis and treatment.

View, share, and discuss medical casesReal-time collaboration with expertsAccess thousands of common and rare cases
๐Ÿฅ Medical
(1.4K)
ad-supported
12
epocrates: Drug Info & Pill ID
epocrates: Drug Info & Pill ID
epocrates: Drug Info & Pill ID
Dosing, Interactions, & Labs
Free

This clinical reference app empowers healthcare professionals to make safer, faster decisions. It offers comprehensive drug information, interaction checks, pill identification, lab values, and dosing calculators. Access essential clinical tools offline to enhance patient care and workflow efficiency.

Comprehensive Drug ReferenceDrug Interaction CheckerPill Identifier
๐Ÿฅ Medical
(7.1K)
free with in-app purchases
13
Symptom to Diagnosis EB Guide
Symptom to Diagnosis EB Guide
Symptom to Diagnosis EB Guide
Evidence Based Medicine + DDx
Free

This medical app uses a case-based approach to teach internal medicine diagnosis. It guides users through evaluating, diagnosing, and treating patients based on clinical complaints, with updated research and new diagnostic tools.

Case-based learningEvidence-based diagnosisDifferential diagnosis tables
๐Ÿฅ Medical
(29)
free with in-app purchases
14
Full Code Medical Simulation
Full Code Medical Simulation
Full Code Medical Simulation
Doctor, nurse & EMT education
Free

Engage in realistic medical simulations with over 260 virtual cases designed by experts. Practice diagnosing and treating patients, hone your clinical skills, and earn CME credits in a game-like environment. Ideal for medical students and professionals seeking to improve their decision-making.

260+ expert-written virtual casesMultiple diagnostic disciplinesRealistic patient avatars
๐Ÿฅ Medical
(6.1K)
free with in-app purchases
15
Merck Manual Professional
Merck Manual Professional
Merck Manual Professional
by Merck & Co Inc
Free

This medical reference app offers healthcare practitioners and students clear, practical explanations for thousands of conditions across major medical and surgical specialties. It includes photos, illustrations, instructional videos, drug information, quizzes, and case simulations to stay updated with the latest clinical information.

Thousands of medical topicsPhotos and illustrationsInstructional 'How to' videos
๐Ÿฅ Medical
(1K)
free
16
5 Minute Clinical Consult
5 Minute Clinical Consult
5 Minute Clinical Consult
2026 Edition w/ Bonus Features
Free

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.

Diagnose and treat 1,000+ medical conditionsOffline accessDifferential diagnosis tool
๐Ÿฅ Medical
(3.1K)
subscription
17
Inspireยฎ - Health Community
Inspireยฎ - Health Community
Inspireยฎ - Health Community
Resources for medical support
Free

Connect with a supportive community for various medical conditions. Find answers, share experiences, and access resources for treatment information and clinical trials. Your health journey is easier with others who understand.

Condition-specific communitiesConnect with patients and caregiversTreatment information access
๐Ÿฅ Medical
(2.7K)
free with in-app purchases
18
mymediktor - Symptom Checker
mymediktor - Symptom Checker
mymediktor - Symptom Checker
Solve your health questions
Free

This app helps you understand your health concerns by analyzing your symptoms using artificial intelligence. It provides a list of potential conditions and recommendations based on your input, along with a disease dictionary. It is a licensed medical device for informational purposes only and does not replace professional medical advice.

Symptom analysis with AIList of possible conditionsDisease dictionary
๐Ÿฅ Medical
(178)
free
19
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
๐Ÿฅ Medical
(252)
ad-supported
20
Digi-DDx
Digi-DDx
Digi-DDx
Practice diagnosis skills
Free

Practice diagnostic reasoning with simulated patient cases. Make informed decisions on diagnostic tests and patient management, comparing your efficiency and cost to experienced clinicians. Learn from feedback and access relevant literature.

Simulated patient casesDiagnostic test selectionPatient management choices
๐Ÿฅ Medical
(3)
free

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