The McMaster Psychiatry Handbook app is a concise clinical reference for physicians, medical students, nurses, social workers, occupational therapists and other health care professionals caring for individuals with mental health issues. Developed by the Department of Psychiatry and Behavioural Neurosciences of McMaster University in Canada.

It is an easy-to-use tool designed to be used in the clinical setting containing evidence-supported approaches to psychiatric emergencies, substance intoxication and withdrawal, approaches to various psychiatric symptoms and special populations, non-pharmacological management and medication charts containing core content most often looked up by mental health professionals.

Features include a user-friendly search function, ability to bookmark favourites, and embedded links to related content.