The Tubi TV catalog includes hundreds of movies from all genres: action, comedy, science fiction, drama, martial arts, etc. And all of them legal. Yes, all the movies listed in the application's catalog are completely legal and hosted on the Tubi TV servers. In other words, nothing is hosted on YouTube or other sites. And all the Tubi TV movies play directly on the Tubi TV player.
Tubi TV is an excellent application for watching movies and series. The quality of the catalog is debatable, yes, but all the content is free and ready for streaming. Besides, who doesn't love watching a bad movie from time to time?