Table 2.

Qualitative feedback from participants.

Aspects of the app participants liked/reasons they or other young people would use it in future or recommend it to a friend.
Theme	Example	na
Easy to use	“It is free and easy to use”	9
Attractive layout	“I liked the appearance of the app”	6
Mood rating was generally helpful	“I liked the way you can rate your mood”	17
Mood rating helped increase emotional self-awareness	“This app helps me to stop and take a second to listen to how I actually feel”	16
Mood rating was useful as alternate emotional outlet	“A friend might find it easier to share stuff with an app rather than friends”	2
Information on app was helpful	“I liked the helpful tips”	15
Notifications were useful	“It reminded me to rate my mood”	5
Uniqueness of app	“It’s the only app I’ve found like it”	3
Needs more information	“More coping advice”	8
Needs less information	“There was too much to read”	2
Needs to be more personalized	“The info that came up wasn’t really related to me”	4
Information provided was not useful	“I didn’t find it all that helpful”	6
Did not make user feel better	“It didn’t make me feel any better”	7
Needs more moods to rate	“I wish there were more emotions”	6
Mood charts were confusing	“Graphs should be easier to read”	5
Should have option to input text	“Have space for a small diary”	4
Password entry is annoying	“No password every time”	6
Interface issues	“More colors and fancy text”	9
More activities	”If it had something else, such as games…I’d be more inclined to use it”	6
Uninterested in app/do not need it	“Not my thing really”	7
Technical fixes	“Get the chat resources in just one click”	4

^an=number of participants who identified this theme