Diagnosaurus® DDx
Best-selling DDx app worldwide
Free · In-App Purchases
FREE PREVIEW – View select topics and discover how you can perform differential diagnoses fast using the quick-read entries and links to alternate diagnoses.
** 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
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The developer, Unbound Medicine, Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Contact Info
- Search History
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Unbound Medicine, Inc.
- Size
- 18.6 MB
- Category
- Medical
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
16+
- 16+
- Frequent
Medical Treatment Information
- In-App Purchases
Yes
- Diagnosaurus DDx USD 5.99
- Copyright
- © 2026 Unbound Medicine, Inc.