Best Medical Diagnosis Apps

250+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated October 2026

From beginner-friendly picks to power-user tools, our medical diagnosis list covers 250+ iPhone apps updated through October 2026. Compare ratings, prices, and screenshots in one place.

Compare top Medical Diagnosis Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1WebMD: Symptom CheckerWebMD: Symptom CheckerFree4.7★ (136K)YesNoOct 2026
2Ada - your health portalAda - your health portalFree4.8★ (11K)NoNoOct 2026
3DDx: Differential DiagnosisDDx: Differential DiagnosisFree—NoYesAug 2026
4Prognosis: Your DiagnosisPrognosis: Your DiagnosisFree4.8★ (3K)YesNoOct 2026
5VisualDxVisualDxFree4.4★ (186)NoYesOct 2026
6NEXO: Medical DiagnosisNEXO: Medical DiagnosisFree—NoYesOct 2026
7QMDT: Quick Medical DiagnosisQMDT: Quick Medical DiagnosisFree5.0★ (66)NoYesSep 2026
8Symptom to Diagnosis EB GuideSymptom to Diagnosis EB GuideFree4.5★ (30)YesYesOct 2026

Top Picks for Medical Diagnosis

WebMD: Symptom Checker#1

WebMD: Symptom Checker by WebMD

Med Reminders, Doctor Finder
Editor's Choice
🏥 Medical
4.7😐(136K 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

  • 👍 Useful medical information
  • 🚀 Easy to navigate
  • 💊 Helpful medication reminders
  • 📚 Valuable medical resource
  • 🧠 Informative health articles

Room to Improve

  • 🐛 Frequent crashes
  • 🔍 Limited search functionality
  • 💻 Outdated or missing information
  • 🌙 Lack of dark mode
  • 📢 Excessive ads
Ada - your health portal#2

Ada - your health portal by Ada Health

Access health assessment
Strong Contender
🏥 Medical
4.8😊(11K ratings)
Free
Ada - your health portal screenshot 1
Ada - your health portal screenshot 2
Ada - your health portal screenshot 3
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

  • 👍 Helpful for assessing symptoms
  • 🚀 Accurate and thorough symptom analysis
  • 💡 Provides possible diagnoses with likelihood
  • 👍 Calm and reassuring interface
  • 👍 Saves time before visiting a doctor
  • 👍 Useful for hypochondriacs and those with health anxiety

Room to Improve

  • 🐛 Limited options for some symptoms
  • 🐛 Difficulty entering additional information
  • 💡 Lack of integration with other health apps
  • 💡 Need for more personalization options (e.g., pre-existing conditions)

More Medical Diagnosis apps to explore

FAQ about Medical Diagnosis

What are the best medical diagnosis apps for iPhone?
WebMD: Symptom Checker tops our medical diagnosis apps ranking as of October 2026, with a 4.7-star average from 136K App Store ratings, and it's free to download.
Yes — 20 of the top medical diagnosis apps we rank are free to download, including WebMD: Symptom Checker and Ada - your health portal.
WebMD: Symptom Checker shows ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 250+ medical diagnosis apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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