Bedeviled

Bedeviled is a 2016 American supernatural horror film directed, written and produced by Abel Vang and Burlee Vang. Starring Saxon Sharbino, Mitchell Edwards, Victory Van Tuyl, Brandon Soo Hoo, Carson Boatman and Alexis G Zall. It follows a group of five friends who are haunted by a demonic entity after downloading a mysterious, Siri-like app that exploits their deepest fears to kill them.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.