AppAnnie lists most popular apps in 20 countries by Christo Volschenk in Marketplace 27 Mar 2017 AppAnnie, wellknown stats provider for the global app economy, compiled a Top 10 most popular ranking for apps in each of the 20 biggest country markets as measured by the average monthly usage (AMU) of apps (IPhone and Android) in the calendar year 2016. Usage is defined as "time spent on an app". We scanned through the rankings of the 20 country markets for classifieds/marketplace apps we regularly report on. This article is only available to AIM Group clients. Please subscribe now or log in to view. Share appannieCarousellebaysahibindenwallapop Christo Volschenk Christo Volschenk is managing editor of the news on Aimgroup.com and our senior analyst covering Naspers. He brings more than 31 years of experience in business journalism to the team - the last 18 years focused on classifieds and e-commerce. Apart from working closely with the AIM Group, Christo is a freelance journalist, content manager, and copy editor. Before branching out on his own, he spent 15 years with Naspers in South Africa as journalist, economics editor and online project manager. He now spends most his day editing the news reported by 23 colleagues in 23 countries from his base in Stuttgart, Germany.