Yes, Apple customers can access HBO Now content on their iPad, iPhone or iPod touch using the HBO Now app. HBO Now is also available as a channel on Apple TV. Customers can subscribe to channel for $14.99 a month within the app or through Apple TV.
HBO Now is a monthly subscription service that allows users to watch HBO content without a cable or satellite subscription. The service offers instant access to more than 2,000 titles including HBO original programs such as Game of Thrones, movies, original HBO Films, documentaries, sports / comedy / music specials.
You can learn more by reading the HBO Now press release.