Clash of Kings tackles German CPI costs with ReFuel4

Elex, developer of hit mobile game Clash of Kings, has lowered its Cost Per Installation (CPI) costs in Germany by more than 40% by increasing the volume and refresh rate of its creative with ReFuel4.
Awarded Facebook’s 2015 Game of the Year, Clash of Kings is a cross-platform real-time strategy game with more than 50 million players worldwide across web and mobile.
Elex approached ReFuel4 to help lower the CPI in the German marketplace for Clash of Kings’ mobile app installs, which