App the Horror (2026) is a horror, thriller directed by Hyung Seul-woo rated 5.0/10.
When the app is launched, a ghost appears. Developed by four young adults, the app becomes the centerpiece of a livestream where they venture into a supposedly haunted mountain to prove its authenticity—only to meet a grim fate.
Released: 2026-02-18
Duration: 1h 28m
Country: South Korea
Director: Hyung Seul-woo, Lee Sang-min, Sun Jong-hoon
Writer: Lee Sang-min
Cast: Kim Young-jae, Kim Ju-a, Yang Jo-a, Kim Hee-jung
Production: Heartpeople
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