A new report from app analytics company Distimo claims that an app must make an average of $47,000 per day to crack the App Store’s top ten in top grossing apps. The report also notes a top ten paid app generally averages about 4,000 downloads per day, while a top ten free app averages about 72,000 downloads per day. An app that reaches the top 50 in the top grossing charts earns an average of $12,000 each day for iPhone apps, and $10,200 for…