# ddxof: medical algorithms > Medical decision support algorithms for emergency department presentations. (iPhone/iPad app by Tom Fadial.) - Source: https://appshunter.io/ios/app/ddxof-medical-algorithms/id1316852249 (this page in markdown: same URL + `.md`) - Developer: [Tom Fadial](https://appshunter.io/developer/1316852248) - Category: Medical, Education - Price: Free - Rating: 4.67/5 from 45 App Store ratings · 5 written reviews indexed - Age rating: 17+ - Requires: iOS 16.4 · 54 MB - Languages: English - Released: 2017-11-27 - Data updated: 2026-06-20 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/ddxof-medical-algorithms/id1316852249/reviews.md ## What is ddxof? ddxof - or "differential diagnosis of" - is a library of over 150 carefully-curated diagnostic and management decision support algorithms for common presentations in the emergency department. ddxof algorithms are simplified and intended for use at the bedside to either rapidly review important diagnostic considerations, provide referenced guidelines for management options, and can serve as helpful teaching tools for educators. ## Key features - 150+ diagnostic algorithms - Management decision support - Emergency department focus - Bedside review tool - Referenced guidelines - Teaching tool for educators ## Recent user reviews (5 of 5) All indexed reviews: https://appshunter.io/ios/app/ddxof-medical-algorithms/id1316852249/reviews.md ### 5/5 — Great Teaching Tool *2025-08-27* I reference this app all of the time to the trainees and students in my dept. Great way to build a framework ### 1/5 — DDxof *2020-07-04* Before long time this App was displaying favorite items which were marked as favorite in iOS 9, that time this App was one that deserve 5 Stars, however it is no more shows those algorithms which were marked as favorite. Hope you will resolve these bugs in you forthcoming update. Thanks Nothing was done regarding my previous review, My iOS 9 this app now crashed and never shows any item!!!. Will you fix all problems in your forthcoming update, to make it compatible with iOS 9 as it was compatible before it's compatibility with iOS 11. Thanks Thanks **Developer response:** Hi, sorry you’re having issues with the application. Unfortunately, ddxof requires iOS 11 or greater. ### 5/5 — fantastic *2019-01-03* great algorithms!!! great for teaching purposes ### 5/5 — Love it! *2018-10-12* Beautiful app! It’s my go to when teaching medical students and interns in the Emergency Department! ### 5/5 — Amazing! *2018-03-06* Hello there! I am a third year medical student and I find this app is very amazing and refreshing to use. I have impress many of my attendings using the reasoning provided by those graphics. If there is one thing I would change, I would really love for the app to have an off-line option for those of us who don't have access to data all the time. If this was possible then this would be the best medical app ever. ## Frequently asked questions about ddxof ### What is ddxof? ddxof is a library of over 150 diagnostic and management decision support algorithms specifically curated for common presentations in the emergency department. It aims to provide quick access to important diagnostic considerations and referenced management guidelines. ### Who is ddxof intended for? ddxof is intended for healthcare professionals working in emergency departments, as well as educators who can use it as a teaching tool. Its simplified algorithms are designed for rapid use at the bedside. ### Is ddxof free to use? Yes, ddxof is available for free. There are no in-app purchases or advertisements associated with its use, making it fully accessible to users. ### What devices does ddxof support? ddxof is currently supported on iPhone and iPod devices. It is designed for mobile use, allowing for convenient access to medical algorithms. ### How often is ddxof updated? The latest version of ddxof is 4.6.3, and it was last updated on September 28, 2025. This indicates a commitment to maintaining and improving the app's content and functionality. ### What is the age rating for ddxof? ddxof has an age rating of 17+. This is typical for medical applications that contain complex information and are intended for professional use. ### Does ddxof have ads? No, ddxof does not contain advertisements. The app is completely ad-free, ensuring an uninterrupted user experience. ### What is the user sentiment for ddxof? ddxof has received positive user feedback, holding a rating of 4.7 stars from 45 ratings. This suggests a high level of satisfaction among its users. ## Version history (last 5 releases) ### 4.7.0 — 2026-06-12 Performance and stability improvements. ### 4.6.3 — 2025-09-28 Stability and performance improvements ### 4.6.1 — 2024-11-06 - Performance and stability improvements ### 4.6 — 2022-12-26 - Performance improvements - Upgrade dependencies ### 4.5.1 — 2022-04-05 • Improved offline caching ## Apps similar to ddxof | App | Rating | Price | Category | | --- | --- | --- | --- | | [Meducator - Medical AI](https://appshunter.io/ios/app/meducator-medical-ai/id1659157660) | 4.8 (23) | Free | Medical | | [ImmerseRx mNSCLC Immunotherapy](https://appshunter.io/ios/app/immerserx-mnsclc-immunotherapy/id1640327940) | 5.0 (1) | Free | Medical | | [Verifie Health](https://appshunter.io/ios/app/verifie-health/id1594121580) | — | Free | Medical | | [TOKA Surgery Simulator](https://appshunter.io/ios/app/toka-surgery-simulator/id1589939900) | 2.0 (6) | Free | Medical | | [AGS GRS 11 Flashcards](https://appshunter.io/ios/app/ags-grs-11-flashcards/id1601363360) | 2.0 (4) | Free | Medical | | [APPREM2021](https://appshunter.io/ios/app/apprem2021/id1575364380) | — | Free | Medical | ## More apps by Tom Fadial - [Evidence Atlas](https://appshunter.io/ios/app/evidence-atlas/id1437702743) - [ECG Stampede](https://appshunter.io/ios/app/ecg-stampede/id1447062803) - [gistalt](https://appshunter.io/ios/app/gistalt/id1520121253) - [Nerve Block](https://appshunter.io/ios/app/nerve-block/id1546551306) - [Suture: Laceration Repair App](https://appshunter.io/ios/app/suture-laceration-repair-app/id1619032671) All apps by Tom Fadial: https://appshunter.io/developer/1316852248 ## Related topics [ddxof](https://appshunter.io/ios/topics/ddxof) · [medical algorithms](https://appshunter.io/ios/topics/medical-algorithms) · [medical algorithms app](https://appshunter.io/ios/topics/medical-algorithms-app) · [medical algorithm app](https://appshunter.io/ios/topics/medical-algorithm-app) · [the chief complaint](https://appshunter.io/ios/topics/the-chief-complaint) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-20.*