Is Knock on the Cabin based on the same story as Cabin in the Woods?

No, Knock on the Cabin is not based on the same story as Cabin in the Woods. Despite having similar titles and the fact that both stories revolve around a cabin, they are in fact two different stories. Knock on the Cabin is a horror novel written by Richard L. Smith in 1983. It follows a group of teenagers who, while vacationing in the Appalachian mountains, find themselves in a strange cabin that is inhabited by a mysterious figure. As they explore the cabin, they discover clues that lead them to uncover the terrifying secrets of the cabin and its inhabitants.

On the other hand, Cabin in the Woods is a 2012 horror film directed by Drew Goddard and written by Joss Whedon and Goddard. The story follows five friends who are sent to a remote cabin in the woods, where they find themselves confronted by strange and terrifying creatures. The film is a parody of the horror genre, making use of tropes and clichés associated with the genre.

Overall, while both stories involve a cabin in the woods, they are two distinct stories with different characters, plot points, and genre elements.