Question: what app can i download on my firestick to watch free movies?
Answer: ShowBox. Showbox is by far the most popular online streaming app thanks to its smooth UI and easy navigation. ... 
Tubi TV. This free app is available in Google Play Store. ... 
Vudu. This is another popular content delivery platform. ... 
Kodi. ... 
CotoMovies. ... 
Popcorn Time. ... 
Sony Crackle. ... 
Freeflix HQ.