TECHNODE - Jan 9 - Dating platform Momo is launching a short video social app, "Duiyan," in an attempt to boost user growth, which slowed in 2019. Despite recording solid year-on-year revenue growth of 18% in the Q3 of 2019, Momo's user base growth increased only 3% YOY to 114M. Duiyan allows users to shoot and upload short videos and browse a feed consisting of videos created by other users. Users of the app can privately message content creators using a chat bar placed at the bottom of videos. Duiyan is currently only available on iOS devices.