Common Differential Diagnosis is a free medical app developed by Liixuos for Android devices. This app is designed for medical students, young doctors, and other healthcare professionals who want to learn about the differential diagnosis of common symptoms encountered in everyday medical practice. It contains information on almost 180 conditions and allows users to see all the symptoms associated with a disease or see all the diseases associated with a symptom.

The app has a beautiful material design interface and works offline, making it convenient for users to access medical information anytime and anywhere. The app covers a wide range of medical conditions, including dermatological, eyes, ears, nose and throat, cardiovascular, respiratory, gastrointestinal, genitourinary, gynecological, musculoskeletal, neurological, and mental health. However, it's important to note that the app is intended for educational purposes only and should not be used as a source on which medical decisions are based.

Overall, Common Differential Diagnosis is a useful app for medical students and healthcare professionals who want to learn about the differential diagnosis of common symptoms. Users can provide feedback and suggestions for further improvement of the app.