Best Differential Diagnosis Apps

250+ iOS apps curated and reviewed

4.6 avg rating
19 free apps
Updated September 2026

The best differential diagnosis apps on iPhone average 4.6★ across 250+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top Differential Diagnosis Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Diagnosaurus® DDxDiagnosaurus® DDxFree4.8★ (2.5K)NoYesOct 2026
2DDx: Differential DiagnosisDDx: Differential DiagnosisFree—NoYesAug 2026
3Differential Diagnosis | DDxDifferential Diagnosis | DDxFree—NoYesSep 2026
4DSM-5-TR® Diagnosis HandbookDSM-5-TR® Diagnosis HandbookFree4.6★ (1.6K)NoYesOct 2026
5Common Differential DiagnosisCommon Differential DiagnosisFree5.0★ (2)NoNoMay 2026
6Symptom to Diagnosis EB GuideSymptom to Diagnosis EB GuideFree4.5★ (30)YesYesSep 2026
7Evidence-Based Diagnosis, 3/EEvidence-Based Diagnosis, 3/E$54.99—NoNoMay 2026
8X-Ray Differential DiagnosisX-Ray Differential DiagnosisFree5.0★ (2)NoNoMay 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😐(2.5K ratings)
FreeIn-App Purchases
Diagnosaurus® DDx screenshot 1
Diagnosaurus® DDx screenshot 2
Diagnosaurus® DDx screenshot 3
Diagnosaurus® DDx screenshot 4
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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.

What We Love

  • 👍 User-friendly interface
  • 🚀 Quick access to differential diagnoses
  • 💡 Helpful for building differential diagnoses
  • 👍 Comprehensive coverage of conditions
  • 👍 Useful for medical students and practitioners

Room to Improve

  • 🐛 Lack of in-depth information
  • 🐛 Incomplete differential diagnoses
  • 🐛 Lack of links to explain conditions
  • 🐛 Requires in-app purchase to access full content
  • 🐛 Unreliable update mechanism

More Differential Diagnosis apps to explore

FAQ about Differential Diagnosis

What are the best differential diagnosis apps for iPhone?
Diagnosaurus® DDx tops our differential diagnosis apps ranking as of September 2026, with a 4.8-star average from 2.5K App Store ratings, and it's free to download.
Yes — 19 of the top differential diagnosis apps we rank are free to download, including Diagnosaurus® DDx and DDx: Differential Diagnosis.
Diagnosaurus® DDx has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ differential diagnosis apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

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