Although government applications (Apps) have developed rapidly in recent years, few studies have paid attention to the consequences of government App use on citizen compliance. In response to this gap, this study divides citizens' government App use into informational use, service use and participatory use, and explores the impact of such use on citizen compliance, and the mediating role of trust in government, government transparency and government reputation on that relationship, by conducting a study of citizens in Guangzhou, Wuhan and Cheng...