<P> On review aggregator Rotten Tomatoes, the film has an approval rating of 31%, based on 86 reviews, with an average rating of 5.1 / 10 . The website's critical consensus reads, "Insidious: The Last Key offers franchise star Lin Shaye another welcome opportunity to take the lead, but her efforts aren't enough to rescue this uninspired sequel ." On Metacritic, the film has a weighted average score of 49 out of 100, based on 23 critics, indicating "mixed or average reviews". Audiences polled by CinemaScore gave the film an average grade of "B --" on an A+ to F scale, the lowest score of the franchise . </P> <P> Brent McKnight of the Seattle Times rated the film two stars and said, "Old horror franchises don't die, they unspool tepid, uninspired sequels in perpetuity . And with the fourth chapter, Insidious: The Last Key, this saga is on a familiar path ." Screen Rant's Sandy Schaefer scored the film 3 / 5 stars, stating "Insidious: The Last Key is a solid finale to the Insidious franchise that gives series lead Lin Shaye the chance to take a graceful final bow ." Emily Yoshida of New York Magazine noted the criticism of genre films for playing "fast and loose" with their internal logic, but credited the fourth Insidious for having "wrapped up its own free - association illogic with an impenetrable tangle of woo - woo spirit - world mechanics and lingo ." </P> <P> In an interview, Whannell stated that if there is going to be a sequel, he currently doesn't know if he will be the one writing the script . On February 22, 2018, reports came stating that the fifth installment is in developments after the box office success of Insidious: The Last Key . </P>

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