HBO has revealed a slew of new information about its highly anticipated standalone streaming service, called HBO NOW.

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HBO NOW is a subscription service exclusively through Apple in which users can watch all of their favorite HBO shows for $15 per month. The announcement was made during Monday's Apple Keynote event.

"HBO NOW offers a new generation of HBO fans many of the best TV programs in the world without a cable or satellite subscription," said Eddy Cue, Apple's senior vice president of Internet Software and Services in a new statement. "Now, with the same simplicity as buying an app, customers can subscribe to HBO NOW and instantly start viewing their favorite HBO programs as they air - this is huge."

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HBO NOW will officially launch in April to coincide with the season 5 premiere of their biggest show, Game of Thrones, along with comedy favorites Silicon Valley and Veep.

A 30-day free trial will be available to those who subscribe in the month of April. The HBO NOW app will be available through iPhone, iPad and iPod touch in addition to Apple TV. The HBO press release states that consumers will only need the Internet to use the service.

"HBO NOW is the next phase of innovation at HBO," HBO chairman and CEO Richard Plepler, said in the statement. "With this new partnership, a natural evolution for the network, we have access to millions of Apple customers who are used to getting their favorite apps immediately. Now, they can do the same with an HBO subscription."

Shows will apparently be available to subscribers as they air on HBO's TV networks.

The app will also provide HBO's huge back catalog of shows, including The Sopranos, Sex and the City, The Wire, Deadwood, True Blood and more. Other HBO programming currently airing will also be available, including Girls, Looking and Togetherness.

HBO NOW subscribers will also have access to HBO's catalog of movies, sporting events, documentaries and more.

A specific release date for HBO NOW is not known at this time, though it will presumably be made available before Sunday, April 12, the premiere of the latest seasons of Game of Thrones, Silicon Valley and Veep.