Numbers are interesting, however it's a small, non-representative survey. This is also just for games, not for other apps. Also, I'd probably consider this no

Numbers are interesting, however it's a small, non-representative survey. This is also just for games, not for other apps. Also, I'd probably consider this not very useful at all due to a survey defect that caused strange numbers: >"One of the things I really wanted data on was a snapshot of what the last 12 months have looked like for game developers on the App Store. However, the questions I created to gather this data clearly confused respondents. The intent was that devs enter only revenue from games released within the last 12 months, but many developers provided revenue from the last 12 months for all their games. This made the data I collected for these questions largely useless for the purposes I wanted. Further, most people didn’t understand the instructions and didn’t match the sales revenue to the non-sales revenue in the two questions, making drawing conclusions there impossible, also. You’ll see later on that I did manage to get some basic data from it, but couldn’t do the detailed analysis I had hoped for."