What are some alternatives?
When comparing FLIXI and MovieTag, you can also consider the following products
Trakt.tv - Automatically track TV shows & movies you're watching.
Simkl - . All about the tv: trailers, photos, screenshots, screencaps, wallpapers, comments, tv rating
IMDb - Internet Movie Database
Filmsomniac - Filmsomniac.com | TV Tracker | Movie Tracker
Letterboxd - Letterboxd is a social site for sharing your taste in film, now in public beta.
Episode Calendar - Complete TV Guide and listing for all of your favorite shows!