Metacritic is a website that aggregates reviews of media products: music albums, games, movies, TV shows, DVDs, and formerly, books. Developed by CBS Interactive Inc.
License: Free
Letterboxd is primarily designed for film enthusiasts who wish to engage socially and track their viewing habits, while Metacritic caters more to those looking for comprehensive critiques and ratings from professionals. Each platform serves its own unique audience, with Letterboxd emphasizing user interaction and discovery, and Metacritic focusing on aggregate scores and detailed reviews.