First-quarter data has shown that Android tops iOS in both traffic and revenue, according to a report by Opera Mediaworks. The data was compiled using Opera Mediaworks' mobile ad platform, which reaches more than 800 million consumers worldwide. According to the report, Android receives more than 65% of all mobile traffic, while iOS devices see only 46% of all traffic. However, when it comes to video advertising, iOS still leads. iOS devices reported higher impressions, revenue, and completion rates.