"The ones who shold never be sean... are now visible." 18 February 2026 Horror, Thriller 88 mins
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 the official App the Horror 2026 trailer in HD below.
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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
Anupam Tripathi as Suneta
Im Ye-eun as Collector
Son Min-zun as Min-zun
Lee Seung-yeon as Eun-ah
Kim A Cheon as Grandfather
Hyung Seul-woo Director
Lee Sang-min Director
Sun Jong-hoon Director
Son Min-zun Director
Hyung Seul-woo Producer
Lee Sang-min Writer
Kim Dong-ha Director
귀신 부르는 앱 0 Trailer
Korea 18 February 2026
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Have you watched App the Horror yet? What did you think about it?
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