On the review aggregator website Rotten Tomatoes, "Psycho" has an approval rating of 96% based on 103 reviews, with an average score of 9.20/10. The site's critical consensus reads: "Infamous for its shower scene, but immortal for its contribution to the horror genre. Because "Psycho" was filmed with tact, grace, and art, Hitchcock didn't just create modern horror, he validated it." On Metacritic, the film has a weighted average score of 97 out of 100 based on 17 critics, indicating "universal acclaim".