Downloading an app that can detect ghosts sounds like exactly the sort of thing that seems clever right up until the ghosts actually turn up, which is the basic idea behind App the Horror, the South Korean anthology also known by its Korean title 귀신 부르는 앱: 영, which takes a ghost-detecting application and uses it to connect a collection of separate horror stories.
Released in South Korea on February 18, 2026, App the Horror brings together six emerging Korean filmmakers, with the supernatural app spreading between different people and situations once something goes badly wrong during its development.
Six Directors, One Very Unhelpful App
The final theatrical version was directed by Hyung Seul-woo, Go Hee-seop, Lee Sang-min, Sun Jong-hoon, Son Min-zun and Kim Seung-tae, with Hyung Seul-woo serving as producer, and the production team also includes cinematographer Choi Jong-man, editor Go Hee-seop, sound designer Choi Su-yong, composer Kim Yong and production designer Jang Won.
That six-director arrangement is because App the Horror is genuinely structured as an anthology, rather than one conventional horror movie that happens to divide itself into chapters, so the separate segments give each filmmaker some freedom to approach the same supernatural idea differently, while the app provides the connection between them, which also explains the slightly unusual history of the project, because the version that screened at Bucheon International Fantastic Film Festival was different, where it was presented as an omnibus containing seven short episodes, with the festival program listing eight directors instead of six.
The theatrical release subsequently became a much shorter film with six directors, so anyone coming across older festival information may notice that the credits and running time don’t quite match the version that reached cinemas.
Young Is the Center of Everything
The fictional application at the heart of the movie is called Young, a ghost-detection app developed by high school students, where its slogan is wonderfully straightforward for something that is about to ruin several people’s lives, “Don’t delete it, it’s never deleted”.
The students use the app in connection with a forbidden location and a ritual intended to deal with spirits, which then begins appearing randomly on the phones of other people, dragging them into supernatural situations they had no reason to expect.
Korean coverage has even compared the premise with Randonautica, the real-world app that became associated with users exploring supposedly mysterious locations and sharing their experiences online.
The Cast Includes Anupam Tripathi
The cast includes Kim Young-jae, Kim Ju-a, Yang Jo-ah, Kim Hee-jung, Park Seo-ji, Kim Young-sun, Anupam Tripathi, Lim Ye-eun, Son Min-zun, Lee Seung-yeon, Kim Gyu-nam and Kim A-cheon, and the most familiar international name here is Anupam Tripathi, who became widely known after playing Ali Abdul in Squid Game, and he appears here as Suneta, alongside a largely Korean ensemble, while Kim Ju-a is another recognizable name for genre fans, having appeared in All of Us Are Dead.
There is also a rather fitting connection between the film and online entertainment in the casting of Kim Gyu-nam, who is known in Korea through the YouTube comedy channel Ddeeb, so his involvement adds another performer with a background in internet entertainment to a movie that is specifically dealing with online culture and digital horror.
The Supernatural Material Has Some Specific Korean Details
BIFAN’s program notes also explained that the filmmakers used smartphone-style visual design throughout the anthology, incorporating the look of phone screens into the movie’s visual language, and also described the separate stories as dealing with gender-based violence, inequality and discrimination, with the vengeful spirits of female victims forming an important part of the wider concept.
There are also Buddhist elements worked into the production, where characters from the Diamond Sutra were incorporated into the production design, while the sound associated with the app was created using a recorded Buddhist mantra, which was manipulated for use within the film.
I do like the contrast between the ancient religious material and the deliberately modern phone interface, because one is associated with rituals and spiritual protection, the other with apps and livestreams, and App the Horror puts the two things in the same horror story.
Korean Audiences Turned Up
Commercially, App the Horror has done quite well, as the film received a CGV-exclusive theatrical release in South Korea but still passed 100,000 admissions, reaching 101,387 admissions according to Cine21, where the site currently gives it an 8.0 audience rating alongside a 6.0 expert rating.
That is worth putting into context because KoBiz noted that many Korean horror films released in recent years have attracted roughly 50,000 to 70,000 admissions, making App the Horror‘s performance notable despite the restrictions of a CGV-exclusive release.
And if you want to delve a bit more into everything, App the Horror is an actual mobile game based on the film – developed by Heart People, the game uses the same Korean title, 귀신 부르는 앱: 영, and puts players inside a 2D pixel-art apartment where they investigate objects, collect clues and search for an escape route.
Trailer
Check out some more South Korean horror movies.
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