Film
App the Horror 2026
88 min TMDB 5.4 Horror Thriller
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.
Watch free in the UK
Not listed as free in the UK right now. You can still watch the official trailer below.
Cast
- Kim Young-jae as Dong-ju
- Kim Ju-a as Han-byeol
- Yang Jo-a as Sun-young
- Kim Hee-jung as Na-yeon
- Park Seo-ji as Jin-seo
- Kim Young-sun as Sun-young
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