"Lucy" received mixed reviews from critics, with praise for Scarlett Johansson's performance and criticism for its scientific inaccuracies and narrative choices. The film has a 66% approval rating on Rotten Tomatoes, with an average rating of 6.1/10. On Metacritic, it holds a score of 48 out of 100, based on 34 reviews, indicating "mixed or average" reviews.
The dual audio version of Lucy, specifically the Hindi-English version, allows viewers to switch between the two languages. This feature caters to a broader audience, particularly in India, where many viewers prefer watching movies in their native language. The dual audio option provides an immersive experience, enabling viewers to enjoy the movie in either Hindi or English, depending on their preference.