Table 3.

System features and quotes from participants.

System features		Sample quotes
Planner interface
	1	“It [Interface] provided me a chance to see how I spent my time and reflect on myself every day.”
	2	“I could write in more detail about dividing an hour into 30 minutes.”
	3	“Seeing an activity continuously recorded in a vertical manner gave a sense of its duration.”
	4	“When I accessed [Notion page] to record and see the empty column, I wanted to fill it in.”
Tag shortcuts
	5	“I found it convenient and clear to use tags since my daily life mostly fell into those categories.”
	6	“It was really easy to just click tags one by one with my phone. It took like 5 seconds.”
	7	“Seeing how my day was with those tags and various colors quite motivated me. It was fun.”
	8	“I don't think there was a mealtime or commuting on the tag, so I had to type it manually.”
Visual reports
	9	“Since the report evaluates my day thoroughly, I felt like recording more to get feedback.”
	10	“After recording, it [report] helped me manage my mood, knowing why I was angry or sad.”
	11	“Based on the individual challenges, it would be good to suggest a personalized plans.”
	12	“Analyzing the sleep balance in the report helped me understand my sleep quality.”
Supportive EMAa
	13	“It was comfortable to get a notification in the evening after the schedule was all over.”
	14	“I simply tried to remember what I was doing at that time and answered [EMA].”
	15	“I didn't feel overwhelmed with the frequency. The survey wasn't that lengthy either”
	16	“When I turned on my phone, I got an [EMA] alarm and it asked me how I felt. I really liked it.”

^aEMA: ecological momentary assessment.