Best Diagnosis App

245+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated July 2026

The best diagnosis app on iPhone average 4.6★ across 245+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.

Compare top Diagnosis App (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1DiagnosisDiagnosisFree2.8★ (6)NoNoMay 2026
2Prognosis: Your DiagnosisPrognosis: Your DiagnosisFree4.8★ (2.9K)YesNoSep 2026
3DiagnosUsDiagnosUsFree4.8★ (1K)NoNoAug 2026
4Ada - your health portalAda - your health portalFree4.8★ (11K)NoNoSep 2026
5WebMD: Symptom CheckerWebMD: Symptom CheckerFree4.7★ (135K)YesNoSep 2026
6Differential Diagnosis | DDxDifferential Diagnosis | DDxFreeNoYesSep 2026
7DiagnosisDiagnosisFreeNoNoMay 2026
8DDx: Differential DiagnosisDDx: Differential DiagnosisFreeNoYesAug 2026

Top Picks for Diagnosis App

Diagnosis#1

Diagnosis by 东献 刘

Editor's Choice
🔧 Utilities
2.8(6 ratings)
Free
Diagnosis screenshot 1
Diagnosis screenshot 2
Diagnosis screenshot 3

Visualize and analyze hair and scalp conditions. Features include hair measurement, diagnosis, and image comparison to track changes over time. Understand your hair health with detailed insights.

Prognosis: Your Diagnosis#2

Prognosis: Your Diagnosis by Medical Joyworks LLC

Improve your diagnosis skills
Strong Contender
🏥 Medical
4.8😊(2.9K ratings)
FreeAds
Prognosis: Your Diagnosis screenshot 1
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Prognosis: Your Diagnosis screenshot 6

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.

What We Love

  • 🚀 Super Amazing Awesome!
  • 👍 Great learning app
  • 👍 Excellent scenarios
  • 👍 Actually Fun
  • 👍 Best app I've used
  • 👍 Love these!
  • 👍 Best app ever
  • 👍 Excellent app
  • 👍 One of the best medical apps
  • 👍 Best app for medical cases
  • 👍 Love this app!
  • 👍 This is very good!
  • 👍 Great app
  • 👍 Fantastic cases and way to practice clinical reasoning skills
  • 👍 Sooo Good
  • 👍 Best medical app for medical students
  • 👍 Superb and amazing
  • 👍 Fun and very educational
  • 👍 Great App
  • 👍 Favorite app
  • 👍 Good for learning
  • 👍 Awesome
  • 👍 So much fun!
  • 👍 10/10
  • 👍 One of the wonderful apps
  • 👍 Great!!
  • 👍 Best medical app ever
  • 👍 Interesting and engaging
  • 👍 Very good programme
  • 👍 RN
  • 👍 Pure awesomeness
  • 👍 Fun and educational App
  • 👍 Great app for residents
  • 👍 Excellent cases
  • 👍 Great learning tool
  • 👍 Challenge
  • 👍 Amazing app
  • 👍 Fun
  • 👍 Awesome
  • 👍 Great app
  • 👍 Brilliant for testing your diagnostic skills!
  • 👍 Great way to increase medical knowledge
  • 👍 Interesting,fun,educational
  • 👍 Good app
  • 👍 Great application
  • 👍 Very good learning tool
  • 👍 good fun
  • 👍 Nice
  • 👍 Excellent Learning Tool
  • 👍 Great and fun way to learn
  • 👍 Awesome little app
  • 👍 Very informative
  • 👍 Best app. Ever.
  • 👍 Perfect
  • 👍 Very helpful
  • 👍 Great
  • 👍 Fun and useful
  • 👍 Fantastic!!!!!
  • 👍 Studying is fun now!
  • 👍 5
  • 👍 Very helpfull..simply reminds me the basic things to do..
  • 👍 Great game
  • 👍 Fun learning
  • 👍 Fun and eduminicational

Room to Improve

  • 🐛 Contenido en español
  • 🐛 Mécontent
  • 🐛 Down loading problem
  • 🐛 WARNING
  • 🐛 Am I missing something?
  • 🐛 Cases
  • 🐛 Decline
  • 🐛 Some bugs
  • 🐛 Please fix expert tip
  • 🐛 Some errors
DiagnosUs#3

DiagnosUs by Centaur Labs

See real cases & earn rewards
Worth Considering
📚 Education
4.8😊(1K ratings)
Free
DiagnosUs screenshot 1
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Engage with real medical cases to enhance your diagnostic skills and earn rewards. This educational game is designed for students and professionals to test their knowledge across various specialties and contribute to AI research.

What We Love

  • 💰 Earn money while learning
  • 🧠 Helpful for medical students and professionals
  • 🤓 Interesting and educational content
  • 👍 Fun and engaging app
  • 🤝 Responsive and helpful support team

Room to Improve

  • 🐛 Bugs and technical issues (crashes, freezes, slow loading)
  • ⏱️ Time-consuming to compete and earn rewards
  • 🤖 Inconsistent or inaccurate AI-graded answers
  • 🤑 Difficult to earn significant amounts of money
  • 🔒 Withdrawal issues for some countries

More Diagnosis App apps to explore

FAQ about Diagnosis App

What is the best diagnosis app for iPhone?
Diagnosis tops our diagnosis app ranking as of July 2026, with a 2.8-star average from 6 App Store ratings, and it's free to download.
Yes — 18 of the top diagnosis app we rank are free to download, including Diagnosis and Prognosis: Your Diagnosis.
Diagnosis has no ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 245+ diagnosis app on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
Diagnosis is used to visualize and analyze the condition of your hair and scalp. It offers features like hair measurement, scalp diagnosis, and image comparison to help you understand and track changes in your hair health.
Diagnosis is available for iPhone, iPad, and iPod devices, allowing users to access its hair and scalp analysis features across Apple's mobile ecosystem.

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