Table 2.

Coding frame detailing the frequency of occurrence of the themes within the data.

Themes		Frequency, n (%)
Phase 1
	Doing something to distract themselves	22 (22)
	Relaxation exercises and approaches	20 (20)
	Social interaction	14 (14)
	Looking for an external source of support to solve the problem	11 (11)
	Doing something to motivate themselves	10 (10)
	Helpful thinking	7 (7)
	Doing physical exercise	7 (7)
	Managing their time	6 (6)
	Religious practices	3 (3)
	Isolating themselves	1 (1)
Phase 2
	The need to enhance the app design	71 (43)
	Tracking of personal data	18 (11)
	In-app social community	16 (10)
	Motivational content	14 (9)
	Personalization	11 (7)
	Providing feedback from the app	10 (6)
	The need for enhanced privacy and security features	8 (5)
	The need for relaxation approaches	7 (4)
	Providing professional support	4 (2)
	Including games for entertainment	4 (2)
	Including the Google map function	2 (1)
	Participants’ perceptions regarding gender differences when using mental health apps	32 (19)
Phase 3
	General design characteristics	27 (16)
	Self-tracking of personal data	20 (10)
	Providing feedback for the users	20 (10)
	Providing live support	18 (10)
	Personalizing the app’s style and functions	18 (10)
	In-app social community	17 (10)
	Motivational content	14 (8)
	Providing relaxation exercises	10 (6)
	Including a Google map function in the app	7 (4)
	Including simple games for entertainment	7 (4)
	Providing relaxation audio	6 (3)
	Personal assistance in the app to help users	5 (3)
	Goal setting	3 (2)
	Privacy	2 (1)