Ad Mediation is a packages that lets you serve ads to your apps from multiple sources. Mediation helps maximize your fill rate and increase your monetization by sending ad requests to multiple networks to ensure you find the best available network to serve ads.
Documentation | Forum
Currently supported mediation networks are:
Ad Colony (free)
ChartBoost (free)
Unity Ads (free)
Vungle Ad (free)
AdMob ($15 using Google Mobile Ads SDK )
iAd ($25 using IOS Native )
