ABSTRACT
Many health care professionals, including psychiatric nurses, are faced with increasing question from patients about mobile application the purpose of this article is to give psychiatric-mental health nurses(PMHs)an overview of the world of mobile health and medical apps to answer their own questions as well as those of their patients. Mobile apps will continue to evolve, thus ,this article will serve as a base for PMHNs to build knowledge and understanding to help their patients [journal of Psychosocial Nursing and Mental Health Services 52.(4),42-47.]