Best Visual Diagnosis Apps

203+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated June 2026

Out of 203+ visual diagnosis apps on iOS, 20 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 Visual Diagnosis

VisualDx#1

VisualDx by Logical Images

Medical images & differentials
Editor's Choice
🏥 Medical
4.4😊(183 ratings)
FreeAdsIn-App Purchases
#19in Medical
VisualDx screenshot 1
VisualDx screenshot 2
VisualDx screenshot 3
VisualDx screenshot 4

What We Love

  • 📸 Excellent clinical images and kodachromes
  • 👍 User-friendly interface and easy navigation
  • 🎓 Comprehensive differential diagnosis tool
  • 📚 Detailed disease summaries and treatment information

Room to Improve

  • 💰 Expensive subscription cost
  • ❌ Difficult subscription cancellation process
  • 🐛 App crashes and performance issues
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 comprehensive guide provides medical students with a quick-reference resource for physical examination and history taking, featuring step-by-step techniques, detailed topics, and updated images. Download the guide to access essential information, take notes, and bookmark important entries, helping you to obtain meaningful health histories and conduct thorough physical exams.

MDCalc Medical Calculator#3

MDCalc Medical Calculator by MD Aware, LLC

Clinical Decision Support
Worth Considering
🏥 Medical
4.9😊(51K ratings)
Free
MDCalc Medical Calculator screenshot 1
MDCalc Medical Calculator screenshot 2
MDCalc Medical Calculator screenshot 3
MDCalc Medical Calculator screenshot 4
MDCalc Medical Calculator screenshot 5

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.

What We Love

  • ⭐ Excellent resource
  • 🔍 Helpful and accurate
  • 🔥 Essential for clinical practice
  • 🤖 Useful for medical students and residents

Room to Improve

  • 🐛 Crashes and bugs after updates
  • 🔒 Mandatory login/registration issues
  • 📱 Poor user experience on mobile devices

More Visual Diagnosis apps to explore

4
Visual Diagnosis Emergency Med
Visual Diagnosis Emergency Med
Visual Diagnosis Emergency Med
Critical Care Medicine
Free
🏥 Medical
(3)
5
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)
6
Guide to Diagnostic Tests
Guide to Diagnostic Tests
Guide to Diagnostic Tests
Evidence-based recommendations
Free

This mobile resource provides immediate, evidence-based information on laboratory and electrocardiographic tests, diagnostic imaging, and therapeutic monitoring, helping healthcare professionals select and interpret diagnostic tests. With over 450 updated tests, it offers practical guidance and answers to common questions, making it an essential tool for daily practice.

🏥 Medical
(35)
7
Aysa
Aysa
Aysa
by Logical Images
Free

An intuitive app that provides personalized answers to skin condition questions. Easily screen skin symptoms using your phone's camera and prepare for medical visits. Start understanding your skin better today!

💪 Health & Fitness
(382)
8
Skin-Check
Skin-Check
Skin-Check
Democratizing Early Detection
Free

Skin-Check is a free tool for checking skin lesions for potential cancer, tracking them over time, and comparing them to various types of lesions. It aims to aid in early detection and prompt treatment, helping reduce skin cancer mortality rates. Users should consult a doctor for concerns.

🏥 Medical
(364)
9
Emergency Med Visual Diagnosis
Emergency Med Visual Diagnosis
Emergency Med Visual Diagnosis
Images to Instant Decisions
Free
📚 Education
(0)
10
Yiduo Visual
Yiduo Visual
Yiduo Visual
by 红奎 刘
Free

This application connects to a visual electronic device via Wi-Fi, allowing users to view real-time images on their mobile device, take photos, and record videos, making it a convenient tool for various industries. Try it out to enhance your visual inspections and documentation with ease.

📷 Photo & Video
(23)
11
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)
12
OcularCheck: Acuity Exam
OcularCheck: Acuity Exam
OcularCheck: Acuity Exam
Measure Visual Acuity
Free

This mobile tool empowers individuals to accurately check their vision for free, detecting signs of myopia and other visual impairments, and is designed for use in underserved areas with features such as diagnostic accuracy, auditory guides, and multilingual support. Take control of your eye health and check your visual acuity with this easy-to-use app, and find nearby optometry clinics and access information on visual impairments.

🏥 Medical
(15)
13
Muscular System 3D (anatomy)
Muscular System 3D (anatomy)
Muscular System 3D (anatomy)
by Victor Gonzalez Galvan
Free

Explore the human body's muscles with a high-definition 3D model, learning about their shape, location, and function through detailed descriptions. Ideal for medical students, professionals, and enthusiasts, this app offers an engaging way to discover and share knowledge of human anatomy.

🏥 Medical
(95)
14
Diagnosaurus® DDx
Diagnosaurus® DDx
Diagnosaurus® DDx
Best-selling DDx app worldwide
Free
🏥 Medical
(2.4K)
15
بنك الدم ليبيا
بنك الدم ليبيا
بنك الدم ليبيا
by mahmoud algayed
Free

Find blood donors and request blood donations easily with the Blood Bank Libya app. Search for donors by city and blood type, post donation requests, add yourself as a donor, receive local donation alerts, even offline. Share and help others in need. Spread the word and make a difference!

🏥 Medical
(917)
16
UpToDate Lexidrug
UpToDate Lexidrug
UpToDate Lexidrug
by Lexi-Comp, Inc.
Free

Access comprehensive drug information anytime, anywhere with UpToDate Lexidrug. Featuring over 20 databases, including pharmacogenomics data and IV compatibility info, this app is trusted by healthcare professionals. Try it free for a month, then subscribe for $29.99/month via iTunes Account for uninterrupted access.

🏥 Medical
(1)
17
Smart Optometry
Smart Optometry
Smart Optometry
Eye Tests For Proffesionals
Free

Take professional eye tests with Smart Optometry, a convenient app designed to improve your vision and eye health. Download now for accurate assessments and personalized results.

🏥 Medical
(528)
18
Clinical Sense
Clinical Sense
Clinical Sense
Improve your diagnosis skills
Free

Improve your diagnostic skills with an interactive application that simulates real-life medical scenarios for healthcare practitioners. Practice managing patients from presentation to follow-up with cases designed by experienced physicians from various specialties. Stay updated with new scenarios released weekly.

🏥 Medical
(252)
19
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)
20
Kinetic Visual Acuity Lite
Kinetic Visual Acuity Lite
Kinetic Visual Acuity Lite
by Yasuyoshi Ota
Free

Improve your kinetic visual acuity with this training application, which features a rotating hex-head pillar with changing speed and orbit to help you read numbers and enhance your visual skills. Train at various difficulty levels or test your skills in a timed mode to boost your KVA and DVA abilities.

⚽ Sports
(70)