You have a whiz-bang idea for an iOS app, but want to know how much effort it will take to get into the top 10 list? On general, it requires 4,000 daily downloads for an app to reach the top 10 paid apps, and it requires earning $47,000 per day for paid apps to reach rank 10 in the grossing charts, a new study finds. For the bean-counters in the audience, that translates to $32 in purchases per minute or $1,920 per hour.
Another tip: never try to break into the top 10 during weekends. Instead, you'll have better luck on Thursdays. If you want little competition, try Google or Amazon, where all you hear are crickets chirping, according to an app analytics firm...