Objectives To examine i) the use of mobile apps and fitness trackers in adults during the COVID-19 pandemic to support health behaviors; ii) the use of COVID-19 apps; iii) associations between using mobile apps and fitness trackers. and health behaviors; iv) differences in usage amongst population subgroups. Methods An online cross-sectional survey was conducted during June–September ... https://fitnessgravesyardes.shop/product-category/button-module/