AppsFlyer, the global attribution leader, today released the 10th edition of its Performance Index. Google hit the #1 spot in the power ranking (Measuring both quantity and quality of app installs) for the first time since AppsFlyer launched the Index in 2015. The search giant’s success can be largely attributed to its performance on Android and its App Campaigns product. Facebook Remains the Top Performer for Retargeting Low retention and ...