Table 1.

The motivational features of the application and their correspondence with the Behavioral Change Techniques Taxonomy (BCTTv1).

Motivational features of APA	COM-B component	BCT Label (BCTTv1)	BCT definition
Daily target/general goal/progress chart	Psychological capacity, reflective motivation	2.2 Feedback on behavior	Monitor and provide informative or evaluative feedback on performance of the behavior (e.g., form, frequency, duration, intensity)
		2.7 Feedback on outcomes of behavior	Monitor and provide feedback on the outcome of performance of the behavior
Notifications	Physical opportunity	7.1 Prompts/cues	Introduce or define environmental or social stimulus with the purpose of prompting or cueing the behavior. The prompt or cue would normally occur at the time or place of performance
Educational material through virtual communities	Psychological capacity	4.1 Instruction on how to perform a behavior	Advise or agree on how to perform the behavior (includes “skills training”)
		5.1 Information about health consequences	Provide information (e.g., written, verbal, visual) about health consequences of performing the behavior
		5.3 Information about social and environmental consequences	Provide information (e.g., written, verbal, visual) about social, and environmental consequences of performing the behavior
		5.6 Information about emotional consequences	Provide information (e.g., written, verbal, visual) about emotional consequences of performing the behavior
Badges/achievements	Automatic motivation	10.4 Social reward	Arrange verbal or non-verbal reward if and only if there has been effort and/or progress in performing the behavior (includes “positive reinforcement”)
		10.5 Social incentive	Inform that a verbal or non-verbal reward will be delivered if and only if there has been effort and/or progress in performing the behavior (includes “positive reinforcement”)
Leaderboard	Social opportunity	6.2 Social comparison	Draw attention to others' performance to allow comparison with the person's own performance
Messages/events through virtual communities	Reflective motivation, psychological capacity	3.1 Social support (unspecified)	Advise on, arrange or provide social support (e.g., from friends, relatives, colleagues, “buddies” or staff) or non-contingent praise or reward for performance of the behavior It includes encouragement and counseling, but only when it is directed at the behavior