What are some alternatives?
When comparing Reelgood and JustWatch, you can also consider the following products
Letterboxd - Letterboxd is a social site for sharing your taste in film, now in public beta.
Stremio - Watch videos, movies, TV series and TV channels instantly.
Simkl - . All about the tv: trailers, photos, screenshots, screencaps, wallpapers, comments, tv rating
Popcorn Time - Popcorn Time is a movie streaming service based on torrents.
IMDb - Internet Movie Database
Movies Anywhere - Combine movies on iTunes, Amazon & Google Play in one place