Countdown is a 2019 American supernatural horror film directed and written by Justin Dec, and starring Elizabeth Lail, Jordan Calloway, Talitha Bateman, Tichina Arnold, P.J. Byrne, Peter Facinelli, Anne Winters, and Tom Segura. The plot follows a group of people who discover a mobile app that correctly tells its users when they are going to die. Countdown was theatrically released in the United States on October 25, 2019 by STX Entertainment, receiving negative reviews from critics but grossed $48 million worldwide against a $6.5 million budget, becoming a commercial success.