And iOS Is Still The Most Valuable Platform. We're seeing a lot of evolution and growth in the world of mobile ads â€” Facebook's recent introduction of ads into its Mobile platform Being one key development. The internet browser company Opera released its latest State of Mobile Advertising report, which indicates that, despite The growth of Android and other platforms, iOS continues to dominate when it comes to monetizing mobile ads. Despite all the effort that has been put into mobile web sites, the majority, nearly 73%, of all mobile ad revenues are Coming from Mobile apps. The report is based on traffic across Opera's own mobile advertising network, which sends ads to some 10,000 mobile Sites and apps And sees over 40 billion impressions across the network. It notes that collectively, publishers on its Network are on track to generate Some $400 million in revenue this year. Although apps seem to be outpacing growth of mobile web for traffic â€” when it comes to making money, apps still seem To command More engagement, and therefore more revenues. Opera says that on its network apps account for over 80% of all traffic, and 72.7% of all mobile advertising revenue Worldwide.