Storyline
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.
Key Information
Photos
Cast & Crew
Kim Young-jae
Dong-ju
Kim Ju-a
Han-byeol
Yang Jo-a
Sun-young
Kim Hee-jung
Na-yeon
Park Seo-ji
Jin-seo
Kim Young-sun
Sun-young
Anupam Tripathi
Suneta
Im Ye-eun
Collector
Son Min-zun
Min-zun
Lee Seung-yeon
Eun-ah
Kim Kyu-nam
Ha-rin
Kim A-cheon
Grandfather
Frequently Asked Questions
App the Horror was released on February 18, 2026.
The runtime of App the Horror is 1h 28m.
App the Horror is a Horror, Thriller movie.
App the Horror has a rating of 4.0 out of 10 on TMDB.
App the Horror is available to watch. Check streaming platforms and theaters near you.
App the Horror was directed by Hyung Seul-woo.
The main cast of App the Horror includes Kim Young-jae, Kim Ju-a, Yang Jo-a.
App the Horror is originally in Korean.