# ddxof

> ddxof (Differential Diagnosis of) is a library of emergency medicine algorithms.

Canonical page: [https://chrome-stats.com/d/com.fadial.android](https://chrome-stats.com/d/com.fadial.android)

## Overview

- **ID:** `com.fadial.android`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Tom Fadial
- **Category:** MEDICAL
- **Downloads:** 17,851
- **Rating:** 4.17 / 5 (90 ratings)
- **Version:** 4.7.0
- **Last updated:** 2026-06-12
- **First published:** 2017-12-27
- **Publisher country:** US
- **Size:** 61 MB
- **Data as of:** 2026-10-19
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.fadial.android)
- **Website:** [https://ddxof.com/](https://ddxof.com/)
- **Privacy policy:** [https://ddxof.com/privacy-policy](https://ddxof.com/privacy-policy)

## Description

**ddxof** (Differential Diagnosis Of) is a comprehensive library featuring over 150 diagnostic and management algorithms designed specifically for emergency medicine. These carefully curated algorithms help clinicians quickly review differential diagnoses and management guidelines for common emergency department presentations.

Intended for bedside use, ddxof simplifies complex diagnostic pathways and provides referenced guidelines to facilitate rapid clinical decisions. Additionally, it serves as a valuable teaching resource for educators aiming to enhance learning around emergency medicine cases.

## Rankings

- #462,129 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.READ_APP_BADGE`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.SYSTEM_ALERT_WINDOW`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.anddoes.launcher.permission.UPDATE_COUNT`
- `com.fadial.android.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.fadial.android.permission.C2D_MESSAGE`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.htc.launcher.permission.READ_SETTINGS`
- `com.htc.launcher.permission.UPDATE_SHORTCUT`
- `com.huawei.android.launcher.permission.CHANGE_BADGE`
- `com.huawei.android.launcher.permission.READ_SETTINGS`
- `com.huawei.android.launcher.permission.WRITE_SETTINGS`
- `com.majeur.launcher.permission.UPDATE_BADGE`
- `com.oppo.launcher.permission.READ_SETTINGS`
- `com.oppo.launcher.permission.WRITE_SETTINGS`
- `com.sec.android.provider.badge.permission.READ`
- `com.sec.android.provider.badge.permission.WRITE`
- `com.sonyericsson.home.permission.BROADCAST_BADGE`
- `com.sonymobile.home.permission.PROVIDER_INSERT_BADGE`
- `me.everything.badger.permission.BADGE_COUNT_READ`
- `me.everything.badger.permission.BADGE_COUNT_WRITE`

## Review summary

Reviews are mostly positive about the app’s practical diagnostic content. The clearest recurring problem is access: multiple users say it fails to open or remains stuck loading. Two users ask how often the content is updated.

### Pros

- Users repeatedly praise the app as a useful, practical reference for differential diagnoses, including for ER and on-call work.
- Overall sentiment is strongly positive, with multiple users describing the app as excellent, amazing, or very good.

### Cons

- Several users report that the app will not open or gets stuck loading.

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.fadial.android)