In our modern, tech-saturated world, smartphones have become an extension of ourselves. But what if these devices turned against us? This curated list of 10 horror movies delves into the chilling possibilities of smartphones as tools of terror, offering a spine-tingling exploration of technology gone awry. From ghostly apps to sinister social media, these films will make you think twice before reaching for your phone.

Pulse (2006)
Description: Ghosts use the internet to invade the world of the living, leading to a terrifying epidemic of loneliness and despair. This film explores the idea of technology as a conduit for the supernatural.
Fact: The film is a remake of the Japanese horror film "Kairo," which was also directed by Kiyoshi Kurosawa.


The Signal (2007)
Description: A mysterious signal broadcast through mobile phones turns people into violent killers. This film uses the concept of a signal hijacking to create a unique blend of science fiction and horror.
Fact: The film was shot in a single location, a house, to emphasize the claustrophobic and tense atmosphere.


Open Windows (2014)
Description: A fan wins a contest to meet his favorite actress, but instead, he's drawn into a web of surveillance, hacking, and murder through his computer screen. This film plays with the idea of voyeurism and the invasion of privacy through technology.
Fact: The film was directed by Nacho Vigalondo, known for his unique storytelling style, and features a non-linear narrative structure.


i-Lived (2015)
Description: A man downloads an app that promises to change his life, but it leads him into a psychological horror as he becomes entangled in a web of deceit and murder. This film explores the dark side of self-improvement apps and the consequences of our digital footprints.
Fact: The film was shot in Los Angeles and uses real-life locations to add authenticity to its tech-driven narrative.


Friend Request (2016)
Description: A college student accepts a friend request from a lonely classmate, only to find herself trapped in a social media nightmare when the classmate commits suicide and begins haunting her online life. This film explores the dark side of social media and the consequences of digital isolation.
Fact: The film was originally titled "Unfriend" in Germany, its country of origin, before being renamed for international release.


Unfriended (2014)
Description: A group of friends find themselves haunted by a mysterious figure during a Skype call, revealing dark secrets and leading to horrifying consequences. This film is a pioneer in the "screenlife" genre, where the entire movie takes place on a computer screen.
Fact: The film was shot in real-time, with the actors performing their roles through Skype, and it was inspired by a short film called "Unfriended."


The Den (2013)
Description: A documentary filmmaker uses a video chat service to study human behavior, but her project takes a dark turn when she witnesses a murder and becomes the next target. This film uses the concept of online voyeurism to create a tense, real-time horror experience.
Fact: The movie was shot entirely through webcams, giving it a very authentic, found-footage feel.


Shutter (2008)
Description: While not exclusively about smartphones, this film features a photographer whose pictures reveal ghostly figures, tying into the theme of technology capturing the unseen. It's a chilling exploration of the supernatural through the lens of photography.
Fact: The film is a remake of a Thai horror movie of the same name, which itself was inspired by a real-life urban legend.


The App (2019)
Description: A group of friends download an app that promises to fulfill their deepest desires, but soon they realize it comes with a deadly price. This German horror film uses the allure of instant gratification through technology to create suspense and horror.
Fact: The film was released directly to video in the U.S., but it gained a cult following for its innovative use of smartphone technology in horror storytelling.


The Dark Web (2017)
Description: A group of friends stumble upon a dark web site that promises to fulfill their darkest desires, but they soon find themselves in a deadly game orchestrated by an unknown entity. This film delves into the hidden corners of the internet and the dangers lurking there.
Fact: The movie was inspired by real-life stories of people who accidentally accessed the dark web.
