Table 6.

Frequency of scores across the 6 items in the User Experience Questionnaire administered in the summative user evaluation (n=19).

Likert scale items	Strongly agree	Agree	Neither agree/disagree	Disagree	Strongly disagree
The set-up instructions were clear and easy to follow	14	4	1	0	0
The text in the app was easy to read	15	4	0	0	0
The buttons in the app were easy to discern from other elements	12	5	0	2	0
The signals were easy to hear	15	3	0	1	0
It was easy to navigate around in the apps	10	6	0	1	1
The instruction videos were clear and easy to follow	14	5	0	0	0