Hi, thanks for trying TGMF out. Sort by popularity is based on TMDB's popularity rating which is described here - https://developer.themoviedb.org/docs/populari

Hi, thanks for trying TGMF out. Sort by popularity is based on TMDB's popularity rating which is described here - https://developer.themoviedb.org/docs/popularity-and-trending#movies https://developer.themoviedb.org/docs/popularity-and-trendin.... So mostly related to user activity on TDMB.