: Specific collection on Internet Archive featuring IPA downloads for the original four games. In-Game Phone Reference (Into the Pit)

: A popular mobile "phone" related feature is the Handunit voice available on the Waze navigation app.

: You can download official versions of Five Nights at Freddy's for iOS, which include all in-game phone calls.

In the FNAF universe, phone calls from characters like "Phone Guy" (Ralph) are central to the gameplay and lore, providing instructions and unsettling background details across the first three games. While there is no official standalone "Telefonbuch" app, several related mobile experiences and community resources exist:

: A real-world phone number, 1-833-578-0158 , was released for the FNAF film, allowing fans to "apply" for a job and receive messages from the characters. IPA File Resources