: It is based on a short story by Joe Hill (son of Stephen King) from his collection 20th Century Ghosts .

: Audiences gave it a B+ grade , citing Ethan Hawke’s performance and the Blumhouse branding as primary reasons for attending.

: Holds an 81% critic score , with the consensus praising it as a "scarily good" and well-acted adaptation.

: Critics on Common Sense Media describe it as a "solid, visceral thriller" but warn of intense themes including child abduction, physical abuse, and strong language. Production & Inspiration

: While fictional, the villain was partially patterned after real-life serial killer John Wayne Gacy .

The Black Phone was a major success for Blumhouse and Universal, significantly outperforming its budget.

The film's "solid" foundation comes from award-winning source material and real-life inspirations.