Countdown is a 2019 American supernatural horror film directed and written by Justin Dec. The film stars Elizabeth Lail, Jordan Calloway, Talitha Bateman, Tichina Arnold, P.J. Byrne, Peter Facinelli, Anne Winters, and Tom Segura. The film follows a group of people who try to survive a mobile app that purports to tell its users when they are going to die. It was released in North America on October 25, 2019 by STX Entertainment, and received mixed to negative reviews from critics and has grossed $41.6 million worldwide.