When Apple released iOS 12.3, it refreshed the TV app and added a feature called Apple TV Channels. Channels lets you subscribe to third-party streaming services like CBS All Access or HBO, right from within the TV app. You can watch that content in the TV app, served directly from Apple, without the need to install other apps.
Here’s everything you need to know about which services are available as Apple TV Channels, what they cost, and how they work.
Updated 10/01/20: You can now subscribe to AMC+ for $8.99 per month. This channel features AMC's greatest hits like The Walking Dead, Mad Men, and Killing Eve as well as programming from IFC and Sundance.