Sony has announced that the HBO Now app will launch on PlayStation 4 and PlayStation 3 “before October 2”, in time for HBO’s premiere of 'Westworld'. The HBO channels are also coming to PS Vue.
Update: The app is now available to download, Sony confirms
HBO Now on PlayStation
The HBO Now app is already available on Apple TV, Xbox One, Xbox 360, Roku, Chromecast, Fire TV, Smart TVs, and mobile devices. Soon it will arrive on PlayStation 3 and 4, including the new PS4 Slim and PS4 Pro models, the two companies have confirmed.
The app is not ready to download just yet but Sony says that it will be before “before October 2”, in time for the 'Westworld' premiere; a new TV series from HBO.

The companies also announced that the HBO channels are coming to PlayStation Vue, which is Sony’s streaming service for TV channels. If you subscribe to HBO through PS Vue you will also have access to HBO Now app free of charge. Additionally, Sony is adding Cinemax. Both HBO and Cinemax will cost $15 per month through PS Vue on top of your regular TV package.
HBO Now is available as a stand-alone streaming service for $15 per month.
HBO Now was launched in March 2015 in the US, exclusively on Apple TV, as a stand-alone service and competitor to Netflix. It has since been expanded to many more devices but has yet to expand globally.