Apps by Unbound Medicine, Inc.
Diagnosaurus® DDx app icon

Medical

Diagnosaurus® DDx

Unbound Medicine, Inc.

Free download 4.83 · 1 storefront · 2,495 ratings In-app purchases unconfirmed
Open on Apple

About this app

** 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

Latest release

What’s New

Version 1.14 Sep 21, 2026

This update ensures full compatibility with the latest iOS 27 release, delivering a smoother, 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 support@unboundmedicine.com.

Audience growth

Ratings growth

Growing
7-day gain +9
Ratings / day 0.6
30-day gain +12
US rating-count history
2,495 ratings
2,495 2,488 2,481 Aug 13, 2026 · 2,481 ratings Aug 23, 2026 · 2,482 ratings Aug 26, 2026 · 2,483 ratings Sep 29, 2026 · 2,486 ratings Oct 11, 2026 · 2,495 ratings Aug 13, 2026 Oct 11, 2026

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current Free
Historical low Free
Paid → free 0×
Price history
Current Free
Free Aug 13, 2026 · Free Oct 11, 2026 · Free Aug 13, 2026 Oct 11, 2026
  1. First observed Aug 13, 2026 · 9:54 AM Free

Screenshots

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