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App Store Apps > Medical > Diagnosaurus® DDx
Diagnosaurus® DDx icon

Diagnosaurus® DDx

by Unbound Medicine, Inc. · Medical · Free
On the App Store since March 2014 · Data updated 2026-10-29

Diagnosaurus® DDx is made and published by Unbound Medicine, Inc. AppBrain is an independent app data site and isn't affiliated with Unbound Medicine, Inc. The app name, icon, screenshots and description belong to Unbound Medicine, Inc. and are shown as published on the App Store.

AppBrain's verdict

EstablishedLoved by users
Best rank
#30
Top Grossing, Portugal
Rating on App Store
4.83
2,504 ratings
Last updated
October 17, 2026

Users love it: 4.8 stars from 2,504 ratings. Its best ranking is #30 in Top Grossing, Medical in Portugal.

Official page on the App Store

Rankings

App Store top charts
Highest rank
#30
Chart
Top Grossing
Medical
Country
Portugal

App Store Rankings for Diagnosaurus® DDx

Top rankings

Rank Country Category List
30 Portugal Medical Top Grossing
97 Austria Medical Top Grossing

Ranking history in Portugal

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Releases

Updates seen on the App Store
Version
1.15
Launched
March 2014

No changelog data

User feedback

Ratings and reviews on the App Store

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Technology

Found in the app by AppBrain
Price
Free
App size
19.1 MB
Content rating
High

Technologies used by Diagnosaurus® DDx

About the app and developer

About Diagnosaurus® DDx

Diagnosaurus® DDx is a medical app developed by Unbound Medicine, Inc.

User Ratings

Diagnosaurus® DDx is rated 4.83 out of 5 stars. The rating is based on 2.5 thousand ratings.

App Information

Diagnosaurus® DDx is freely available from the App Store. The app size is 19.07 MB. The latest version available is 1.15. The last update was on October 17, 2026.

Technical Requirements

The app has a content rating of High Maturity. The app has been available on the App Store since March 2014.

Developer information for Unbound Medicine, Inc.

Unbound Medicine, Inc.

Address:

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Store listing

By Unbound Medicine, Inc., from the App Store
Diagnosaurus® DDx Screenshot 1 of 6
Diagnosaurus® DDx Screenshot 2 of 6
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Diagnosaurus® DDx Screenshot 6 of 6
Screenshots by Unbound Medicine, Inc., from the the App Store listing
Description by Unbound Medicine, Inc. Written by the developer, not by AppBrain. Click to read.
** 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
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