Developed by the University of Nebraska Medical Center, 1-Check is a free iPhone app designed to help users assess their risk for COVID-19 infection. The app features an easy-to-use interface developed using CDC guidelines and provides clear guidance based on self-reported symptoms, travel history, medical conditions, and exposure.

1-Check is designed to aid in the reentry process by allowing users to answer a series of questions, which result in a simple and easy-to-interpret recommendation. The app provides an assessment of the user's risk for COVID-19 infection based on the latest guidance from the CDC and clinicians at the University of Nebraska Medical Center.

With a user-friendly interface, 1-Check allows for multiple screenings to be stored and reviewed on the user's device. It is important to note that this app is not a substitute for professional medical advice, diagnosis, or treatment. It is a tool developed by leading health experts to assist individuals in making informed decisions about their risk for COVID-19.