O&G App is a free Android application developed by Andrew Fang. It falls under the category of Education & Reference and is a valuable tool for Obstetrics and Gynecology (ObGyn) practitioners, residents, trainees, and family doctors. The app provides a comprehensive reference guide that covers various topics related to ObGyn.

The user-friendly interface and easy-to-navigate layout of the app make it an excellent tool for quick and easy reference. The app covers various topics related to ObGyn, including pregnancy, childbirth, and gynecological procedures. The app also provides information on various conditions related to ObGyn, their symptoms, diagnosis, and treatment options. Overall, the O&G App is an excellent reference tool for ObGyn practitioners and medical students alike.