Table 1.

Solutions implemented to address desired qualities during app development.

Domain	Details	Solutions implemented
Accessibility	Adjustable font size, image size, and contrast Simplified user interface to reduce errors Simplified features Voice-overs	Choice of font size and theme (dark or light) in the onboarding and profile Zooming in on the images in the text after clicking on them A simple dashboard with 3 main buttons and a bottom button ribbon (Recommended for You, Continue Learning, Already Completed; Profile, Library, Search) Audio added to each learning card (generated using Text To Speech Free web-based software [55])
Adaptability	Adapting to the user’s needs Adapting to the user’s level of literacy	The user is asked “What single change do you think would improve your life right now?” The question concerns a change that would have an impact on the first recommended module (diet, exercise, medication, or introduction) After clicking on a module, the user is asked 2 knowledge-based questions and 1 behavior-based question related to the topic of the education module. If the user answers all 3 questions correctly, they are informed that they can skip reading the module
Autonomy	Going back in a conversation Search option in the conversation	A back button was added to the conversations Search option added in conversations and for education modules
Evidence-based design and content	Indication of the authors or references Guarantee of information validity	Each module introduction includes information about the authors (including our clinical partner) Each summary includes lists of references based on which the content has been devised
Gamification	Time frame to complete a module	Each unit has a description that includes the estimated time needed to complete it
Guidance	Personal diary	Selected units include a question on actionable conclusions that the user came up with after reading the content
Integration	Embedded in the process of care	A platform for physicians where they can check the activity of the user (completed modules) has been developed
Personalization	Notification timing or use preferences	Notification preferences added to the onboarding and settings
Up-to-date content	New medical knowledge Daily insights	Administrator-controlled notifications with new content developed