BACKGROUND: Mobile health (mHealth) applications provide new methods of engagement with patients and can help patients manage their mental health condition. OBJECTIVE: The main objective of this study is to explore the prevalence of the use of mobile health applications for mental health patients in Saudi ArabiMETHODS: A total of 376 participants with depression and/or anxiety completed an online survey distributed by social networks which asked questions relating to mobile phone ownership, uses of health applications, and utilization patterns to track mental health related issues. RESULTS: Approximately, 46% of the participants reported running one or two healthcare related applications on their mobile phones. In all age groups, 64% of the participants used their mobile phones to access information related to their own health. Also, 64% of the participants expressed interest in using their own mobile phones to track and follow the progression of their depression and/or anxiety. CONCLUSIONS: Developing mobile health applications for Saudi mental health patients is needed since it can offer opportunities for patients, researchers, caregivers, and legislators to work together to improve the state of mental health care in Saudi Arabia.