"Announced at Apple’s event today, the company takes on Google Documents with real-time collaboration on iWork documents. The long-awaited feature makes it easier to cooperate and create documents on the fly.Apple takes on Google & Microsoft with iWork real-time collaboration | TechCrunch
With the newest generation iWork apps, Users can collaborate on images, text and everything else across the iWork suite, including on the Mac, iPad, iPhone and on the web. All the iWork apps – Pages, Numbers and Keynote. Aimed at students, professional setting and other collaborative efforts, it’s a long overdue addition to Apple’s productivity suite."
Thursday, September 08, 2016
Apple takes on Google & Microsoft with iWork real-time collaboration | TechCrunch
Free "for qualifying devices with initial activation on or after September 1, 2013" (see this Apple page for more iWork details)