What is your model Apple TV? Identify your Apple TV model - Apple Support
- HBO GO was the streaming service that goes with HBO through a TV provider. HBO GO was never available with subscriptions through Apple. The HBO GO app service is no longer available on most devices.
- HBO Now (standalone subscription) has been rebranded to simply ‘HBO’ on a few devices that are still supported.
- HBO Max is the expanded successor with all of HBO and many Warner Bros titles, Max Originals, and more. Available as standalone subscription or as add-on package from a TV provider.
Which devices work with HBO Max? - HBO Max Help Center
For Apple TV box, you will need an “Apple TV (4th generation or later) with the latest tvOS software”, or use AirPlay with older models.
These changes happened about 5 months ago, with the launch of HBO Max (May 27).