“Android Market revenues in 2010 came in at an estimated $102 million … Apple App Store revenues came in at an estimated $1.7 billion in 2010”
But does that include revenue from ads in free apps? I doubt it, as that’s not visible in the same way. That seems to be the way to go for Android apps.
No doubt iOS is still where the most direct revenue is.
Despite 861.5 Percent Growth, Android Market Revenues Remain Puny