Best Diagnosaurus Apps

249+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated October 2026

With an average user rating of 4.3★, the diagnosaurus category is one of the App Store's strongest. Browse all 249+ apps we track, sorted so the most loved ones surface first.

Compare top Diagnosaurus Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Diagnosaurus® DDxDiagnosaurus® DDxFree4.8★ (2.5K)NoYesOct 2026
2Bates' Pocket GuideBates' Pocket GuideFree4.8★ (301)NoYesOct 2026
3MDCalc Medical CalculatorMDCalc Medical CalculatorFree4.9★ (52K)NoNoOct 2026
4Guide to Diagnostic TestsGuide to Diagnostic TestsFree4.6★ (35)NoYesAug 2026
55 Minute Clinical Consult5 Minute Clinical ConsultFree4.8★ (3.1K)NoYesOct 2026
6Psychiatric DisordersPsychiatric DisordersFree2.5★ (2)NoNoJul 2026
7MobileDDx™ Pocket DDx ToolMobileDDx™ Pocket DDx ToolFree4.4★ (19)YesYesSep 2026
8Emergency CentralEmergency CentralFree4.8★ (55)NoYesAug 2026

Top Picks for Diagnosaurus

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
Diagnosaurus® DDx screenshot 5
Diagnosaurus® DDx screenshot 6

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
Bates' Pocket Guide#2

Bates' Pocket Guide by Unbound Medicine, Inc.

Physical Exam & History Taking
Strong Contender
🏥 Medical
4.8😞(301 ratings)
FreeIn-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 app provides essential information for obtaining health histories and conducting physical exams. It features step-by-step techniques, updated images, and differential diagnoses for quick and accurate interpretation of findings. Ideal for students and professionals needing a fast reference.

What We Love

  • 👍 Reliable reference
  • 🖼️ Helpful pictures for diagnosis
  • 📚 Good for quick reference
  • 💡 Easy to understand and logical format
  • 🎯 Useful for clinicals and easy to maneuver
  • 🖼️ Good visual pictures to assist
  • 📖 Awesome ebook

Room to Improve

  • 💰 Overpriced app
  • 🔄 Outdated software
  • 🖱️ Not user-friendly navigation
  • 💸 Repeated payments required
  • ❌ Incorrect information/algorithms
  • 🤔 Content layout needs improvement
  • 📉 Less content than expected
  • 📱 Not compatible with older devices (iOS 7)
  • ❓ Confusing to buy as separate products
MDCalc Medical Calculator#3

MDCalc Medical Calculator by MD Aware, LLC

Clinical Decision Support
Worth Considering
🏥 Medical
4.9😊(52K 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
MDCalc Medical Calculator screenshot 6

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.

What We Love

  • ⭐ Excellent resource
  • 🔍 Helpful and accurate
  • 🔥 Essential for clinical practice
  • 🤖 Useful for medical students and residents
  • 💻 Easy to use interface
  • 📚 Comprehensive library of calculators

Room to Improve

  • 🐛 Crashes and bugs after updates
  • 🔒 Mandatory login/registration issues
  • 📱 Poor user experience on mobile devices
  • 🔋 Battery drain and overheating
  • 🔍 Lack of certain measurement options (e.g. feet/inches)

More Diagnosaurus apps to explore

FAQ about Diagnosaurus

What are the best diagnosaurus apps for iPhone?
Diagnosaurus® DDx tops our diagnosaurus apps ranking as of October 2026, with a 4.8-star average from 2.5K App Store ratings, and it's free to download.
Yes — 20 of the top diagnosaurus apps we rank are free to download, including Diagnosaurus® DDx and Bates' Pocket Guide.
Diagnosaurus® DDx has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 249+ diagnosaurus apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

Related searches