App the Horror

App the Horror

App the Horror

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App the Horror

"The ones who shold never be sean... are now visible."

2026

1h 28m

5.0(4 votes)

Audio languages:

Korean

Horror

Thriller

Overview

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.

Links & Resources

Social & External

Production Companies

Heartpeople

The people behind it

Cast & crew

10 featured cast members

Starring

Kim Young-jae

Kim Young-jae

Dong-ju

Kim Ju-a

Kim Ju-a

Han-byeol

Yang Jo-a

Yang Jo-a

Sun-young

Kim Hee-jung

Kim Hee-jung

Na-yeon

Park Seo-ji

Jin-seo

Kim Young-sun

Kim Young-sun

Sun-young

Anupam Tripathi

Anupam Tripathi

Suneta

Limm Yea-eun

Limm Yea-eun

Collector

Son Min-zun

Min-zun

Lee Seung-yeon

Lee Seung-yeon

Eun-ah

Creative team

Directed by: Hyung Seul-woo
Lee Sang-min
Written by: Lee Sang-min
Produced by: Hyung Seul-woo

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