Unity Ads - Unity Ads allows to supplement the existing revenue strategy by allowing to monetize thr entire player base.
AdMob - Earn more from your mobile apps using in-app ads to generate revenue, gain actionable insights, and grow your app with easy-to-use tools.
Google Ad Manager - Grow revenue wherever your users are with an integrated ad management platform that surfaces insights for smarter business decisions.
Appodeal - Appodeal is a supply-side platform for mobile apps, that serves and protects publishers rather than advertisers.
LeadBolt - LeadBolt is a mobile advertising platform for user acquisition and in-app monetization.
OpenX - Ad technology platform available as a hosted service or as an open source download.