Showbox is one of the most famous online free movies app that can pass your sweet leisure time in a breeze. The library has so much quality content to offer and the free streaming is a plus. The app is used by millions of people around the World. It’s only disadvantage is that it is not available on google play, you have to visit its official website and download the apk file. The videos streamed are in hd format and the app also allows you to download the desired content that too for free.