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  • Diagnosaurus® DDx screenshot 1
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About Diagnosaurus® DDx

** Top-Selling App Used by Tens of Thousands of Health Professionals, Worldwide ** ABOUT DIAGNOSAURUS DDX This quick-reference tool helps healthcare professionals perform differential diagnosis with speed and confidence at the point of care. With Diagnosaurus you can quickly search over 1,000 diagnoses by organ system, symptom, or disease, or you can view all entries. Use the valuable “See Related DDx” feature within each entry to consider alternative diagnoses and quickly link to those entries. The convenient “Favorites” feature allows you to save specific searches and bookmark in your personal archive. FEATURES • More than 1,000 differential diagnoses • Highlight and make custom notes within entries • Entries organized in quick-read format • “See Related DDx” links to other potential diagnoses • Disease, symptom, and organ system indexes • “Favorites” for bookmarking important entries • Universal Index Search to help find answers fast Author: Roni F. Zeiger, MD Publisher: McGraw-Hill Medical Powered by: Unbound Medicine

Ratings & reviews

4.8

2.5K ratings

5 ★ 91% 4 ★ 6% 3 ★ 2% 2 ★ 1% 1 ★ 1%

What’s new

Version 1.15 · Updated October 17, 2026

This update adds support for iPhone Duo and ensures full compatibility with the latest iOS 27 release, delivering a more reliable experience with improved performance and stability. We're always here to help—if you have any questions or feedback, please contact Unbound Medicine Support at [email protected]

App privacy

The developer, Unbound Medicine, Inc., reported these privacy practices to Apple.

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Contact Info: Email Address, Name
  • Identifiers: User ID
  • Usage Data: Product Interaction
  • Search History: Search History

Used for: Developer’s Advertising or Marketing, Analytics, Product Personalization, App Functionality

Alternatives to Diagnosaurus® DDx

Looking for apps like Diagnosaurus® DDx? Here are 6 similar apps on the App Store. The highest rated is FP Notebook (4.9/5), and all 6 are free to download.

Diagnosaurus® DDx vs. alternatives
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Diagnosaurus® DDx 4.8 / 5 (2,506 ratings) Free October 17, 2026
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Contraception 4.3 / 5 (27) Free Aug 6, 2024 Compare

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