Background Most adults do not engage in sufficient physical activity to maintain good health.
Smartphone apps are increasingly used to support physical activity but typically focus on …

Background A challenge facing researchers conducting mobile health (mHealth) research is
the amount of resources required to develop mobile apps. This can be a barrier to …

Background Physical inactivity, now the fourth leading cause of death, is a primary element
of noncommunicable diseases. Despite a great number of attempts, there is still a lack of …

Background: New mobile health (mHealth) software apps are emerging and are providing
the foundation to radically transform the practice and reach of medical research and care …

Background: Although mobile technologies such as smartphone apps are promising means
for motivating people to adopt a healthier lifestyle (mHealth apps), previous studies have …

Background: Gameful designs (gamification), using design pieces and concepts typically
found in the world of games, is a promising approach to increase users' engagement with …

Background While widely used and endorsed, there is limited evidence supporting the
benefits of activity trackers for increasing physical activity; these devices may be more …

Background: Smartphones enable the implementation of just-in-time adaptive interventions
(JITAIs) that tailor the delivery of health interventions over time to user-and time-varying …

Background: There is little research on the application of gamification to mental health and
well-being. Furthermore, usage of gamification-related terminology is inconsistent. Current …

Background: It is unclear why some physical activity (PA) mobile health (mHealth)
interventions successfully promote PA whereas others do not. One possible explanation is …