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BACKGROUND: This paper studies the role of mobile applications in promoting physical activity and user loyalty to them. In doing so, our study offers fresh insights into the role of mobile applications in promoting physical activity and healthier lifestyles, filling gaps in the existing body of research. METHODS: A non-probability purposive sample of adults who engage in physical exercise and use monitoring apps was selected, and semi-structured interviews were used to collect information. RESULTS: Our findings are suggestive that (i) physical exercise is more strongly associated with the continuous use of applications than with specific loyalty strategies; (ii) widespread use of apps that record and display historical results can boost regular physical activity, as users are motivated to surpass their previous outcomes. These results support the principle that 'more is better' in practice and intensity, suggesting that mobile technologies should be integrated into national health plans. CONCLUSIONS: Mobile technologies should be encouraged by public policies, as these tools offer an accessible alternative for promoting public health. Policies could subsidize or facilitate the development of applications that integrate self-monitoring and personalized health plans aligned with public health guidelines. They could also include educational campaigns informing the population about these technologies' benefits and explaining how to use them to improve physical and mental health.
Basto et al. (Mon,) studied this question.