iTunes by Apple Inc. is a media player and a library, as well as an internet radio broadcaster, file manager, and a store where users can browse and buy different types of apps and entertainment products like movies and songs.
Vudu is a video-on-demand streaming service available to both Android and iOS devices and Windows and Mac computers. It contains both the latest releases and timeless classics. It's only accessible from the US and signing up is free.
YouTube is an online video sharing and streaming website that enables content creators to share their work across the platform's large user base and network. It's also available as an app for Android and iOS mobile devices.
Amazon is an online retail company considered to be one of the largest in the world. It was created for users looking to find electronics, computers, software, apparel and accessories, books, music, DVDs, tools and hardware, and much more.
Also known as Android Market, Google Play is a digital distribution service operated and developed by Google and serves as the official app store for the Android operating system. The app also provides eBooks, movies, TV shows and other media.