Background: Research conducted on mobile applications monitoring mental health has concluded that patients with mental disorders tend to use such applications to maintain mental health balance and applying technology may help manage and monitor issues like bipolar disorder. Objective: This study has been done to identify the necessities of designing a mobile application for bipolar disorder affected patients. Material and Methods: 1) Literature search, 2) analyzing existing mobile applications to examine their efficiency, 3) Interviewing patients with bipolar disorder to discover their needs, and 4) exploring the points of view of experts using a dynamic narrative survey. Results: Literature search and mobile application analysis resulted in 45 characteristics, which was later reduced to 30 after the experts were surveyed about the project. The characteristics included the following: mood monitoring, sleep schedule, energy level evaluation, irritability, speech level, communication, sexual activity, self-confidence level, suicidal thoughts, guilt, concentration level, aggressiveness, anxiety, appetite, smoking or drug-abuse, blood pressure, the patient's weight and the side effects of medication, reminders, mood data scales, diagrams or charts of the collected data, referring the collected data to a psychologist, educational information, sending feedbacks to patients using the application and standard tests for mood assessment. Considering the first phase analysis along with expert and patient views, the most and least important matters among them are mood tracking and a list of psychiatrists respectively. Conclusion: The present study has been conducted by identifying the necessities of applications intended for managing and monitoring bipolar patients to maximize efficiency and to subsequently minimize the relapse and side effects. [ABSTRACT FROM AUTHOR]