Single Sign-On, Apple's new feature that permits compatible video-streaming apps to unlock additional content by using your saved cable credentials, became officially available yesterday. Just a day after launch, apps from ABC and Disney have now gained support for Single Sign-On on the iPhone, iPad and Apple TV, as well as Freeform, FXNOW and a few other apps, The Verge reported Thursday.
21 pay TV apps and 10 providers now support Apple’s new Single Sign-On feature