When you use a tv network app you need to sign in with your cable provider by going to a website, typing in a code, then finally sign in with your provider and you may have to do this often which can be a pain. Instead, use Apple's single sign in and never have to worry about those steps again. Sign in once and go.
There are less expensive options out there compared to the Apple TV like the the Roku product line, Amazon Fire, or Google's Chromecast. Â Each of these brands offer affordable options in a smaller more portable HDMI stick that can do a lot of the same things. So what makes the more expensive Apple TV a better product?