“The ones who shold never be sean... are now visible.”
Watch App the Horror for Free in 123Movies
App the Horror (2026) – Official Trailer, Cast & Details
App the Horror at a Glance
App the Horror is a 2026 horror and thriller film directed by Hyung Seul-woo, Lee Sang-min and Sun Jong-hoon, with a cast led by Kim Young-jae, Kim Ju-a and Yang Jo-a. It has a runtime of 1 hour 28 minutes and premiered on February 18, 2026. App the Horror has a TMDB rating of 5.4 out of 10 based on 5 votes.
Official Trailer Coming Soon
An official trailer for “App the Horror” has not been indexed yet from verified studio channels.
Search Clips on YouTubeStoryline & Synopsis
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.
Where “App the Horror” Fits in the 123Movies Catalog
Frequently Asked Questions About App the Horror
What is the release date of App the Horror?
App the Horror was released on February 18, 2026.
How long is App the Horror?
App the Horror runs 1 hour 28 minutes (88 minutes).
Who is in the cast of App the Horror?
App the Horror stars Kim Young-jae as Dong-ju, Kim Ju-a as Han-byeol, Yang Jo-a as Sun-young and Kim Hee-jung as Na-yeon. The cast also includes Park Seo-ji, Kim Young-sun, Anupam Tripathi and Limm Yea-eun.
Who directed App the Horror?
App the Horror was directed by Hyung Seul-woo, Lee Sang-min, Sun Jong-hoon, Son Min-zun, Ko Hee-seop and Kim Seung-tae. The screenplay is credited to Lee Sang-min.
What kind of movie is App the Horror?
App the Horror is listed on TMDB as a mix of horror and thriller.
What is the TMDB score of App the Horror?
On TMDB it has an average user score of 5.4/10 from 5 votes.
What should I watch if I liked App the Horror?
Movies TMDB recommends alongside App the Horror include The Shed (2019), Mourning Grave (2014), The Unhealer (2021), Race with the Devil (1975) and Silent Zone (2025).
Can I stream the full movie of App the Horror on 123Movies?
No. 123Movies only shows official trailers and title information. Full movies are not hosted or linked on this site.
The Shed
Mourning Grave
The Unhealer
Race with the Devil
Silent Zone
Night Watch
Deep Water
Voice
The Mean Season
Warning: Do Not Play
Following
