Introduction: Mobile health is the use of mobile and wireless technologies for health-related goals. To this end, various mobile applications have been created in different medical fields. The goal of this study was subject categorization of mobile health applications in Iran and to find their priority according to physicians.
 Methods: This was a descriptive study. The study population consisted of all Iran mobile applications and also specialized physicians from Iran University of Medical Sciences, Shahid Beheshti and Tehran universities of medical sciences. First, mobile health applications in Iran were investigated and categorized based on their subject area and then their priority from the perspectives of physicians was determined using a researcher-made questionnaire.
Results: Based on the application and physicians views, mobile health applications were divided into 21 categories of prevention, diagnosis and treatment, general and plastic surgery, medical tests, medical calculations, radiology, nursing, psychology, self-care, medical education, anatomy and atlases, medical informatics, medicine and pharmacy, rehabilitation, glossary and abbreviations, journals, medical ethics and rights, consultation, emergency and relief, social harm and traditional medicine.
Conclusion: It is necessary that developers of mobile health software consider the identified priorities in developing applications in order to make physicians and general users more willing to use mobile health services.