Some mobile ad networks are known for delivering high eCPMs. AdMob by Google often offers strong eCPMs due to its wide advertiser base and advanced targeting. Unity Ads provides high eCPMs, especially for gaming apps with rewarded video ads. Facebook Audience Network excels in providing competitive eCPMs through its deep audience insights. AppLovin is another platform that delivers strong eCPMs, particularly for video and interstitial ads. IronSource focuses on monetizing mobile games and frequently ranks high in eCPM. Choosing the right network depends on your app type, audience, and preferred ad formats.