Apple iAd does a really better job compared to Google Ads (UAC or Universal App Campaigns) for targeting iOS users. Besides, it's not a black box campaign like the universal app campaign on google. There is much more control in terms of keyword-level bidding, negative keywords, …
In some instances, we developed an experience for AdMob simultaneously with our iAd experience, working with both teams on a daily basis. While the Google team was skilled, receptive and helpful, Apple device functionality was broader and thus allowed for a little more …