Diagnosaurus® DDx
Unbound Medicine, Inc. Medical iPhoneiPadiPod touchMac
Diagnosaurus® DDx is a free Medical app for iPhone and iPad by Unbound Medicine, Inc. Rated 4.8/5 from 2,486 ratings. Requires iOS 15.0.
- Rating
- 4.8
- 2.4K ratings
- Price
- Free
- on the App Store
- Size
- 18 MB
- Age 17+
- Updated
- Sep 21
- 2026 · v1.14
Screenshots
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
2.4K ratings
What’s new
Version 1.14 · Updated September 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 [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.
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WikEM
4.8
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USPSTF Prevention TaskForce
3.6
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VisualDx
4.4
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FP Notebook
4.9
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DynaMed
4.9
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Contraception
4.3
| App | Rating | Price | Last updated |
|---|---|---|---|
| Diagnosaurus® DDx | 4.8 / 5 (2,486 ratings) | Free | September 21, 2026 |
| WikEM | 4.8 / 5 (4,722) | Free | Aug 25, 2026 |
| USPSTF Prevention TaskForce | 3.6 / 5 (69) | Free | Jun 5, 2026 |
| VisualDx | 4.4 / 5 (186) | Free | Sep 16, 2026 |
| FP Notebook | 4.9 / 5 (3,323) | Free | Apr 22, 2026 |
| DynaMed | 4.9 / 5 (3,527) | Free | Jul 28, 2026 |
| Contraception | 4.3 / 5 (27) | Free | Aug 6, 2024 |