Reston, Va.—ComScore has released the U.S. beta version of Media Metrix Multi-Platform, the latest iteration of its digital audience measurement and media planning tool.

Building on Media Metrix, Mobile Metrix and Video Metrix from comScore's Audience Analytics suite, the product offers unduplicated accounting of audience size and demographics generated from media platforms such as websites, apps and video content accessed from multiple devices.

Media Metrix Multi-Platform is expected to remain in beta for the next several months as the product undergoes a data review and validation with comScore clients.