CovidWatcher, developed by Columbia University, is a free lifestyle app designed as a research tool to assist in pandemic response efforts. By collecting data from participants, the app aims to aid cities, hospitals, and community organizations in their fight against COVID-19. Users are requested to provide insights through surveys on various aspects of their health and daily life, such as emotional well-being and resource needs.

Participants can access online interactive maps that display pandemic trends in different neighborhoods. All data collected by CovidWatcher is securely stored and anonymized, ensuring privacy. Eligible participants, aged 18 and above, can contribute to this study by sharing valuable information for a better understanding of the pandemic's impact.