Countdown is a horror movie that revolves around an app that predicts the exact time of a person's death. The app is downloaded by a young nurse, who is shocked to learn that she only has three days left to live. As the clock ticks away, she must find a way to save her life before it's too late. The movie is now available on Digital HD, Blu-Ray, and DVD.

The app featured in Countdown is not a real app and is purely fictional. The disclaimer warns users that the app is for entertainment purposes only, and the results should not be taken seriously. The app is not suitable for users with epilepsy, as it may trigger seizures. The movie is a thrilling ride that keeps the audience on the edge of their seats as they watch the protagonist race against time to save her life.

Overall, Countdown is a gripping horror movie that explores the dangers of relying on technology to predict the future. The app featured in the movie is a cautionary tale that warns users not to take technology for granted. The movie is a must-watch for horror fans who enjoy suspenseful thrillers that keep them guessing until the very end.