ComScore also tells us, however, that iPhone owners use both Wi-Fi and cellular connections on their phones . That might mean Android device owners just can't figure out how to use their phones' Wi-Fi. The more likely explanation for the sharp difference--one set forth by , among others--is that a lot of Android device owners use their smartphones as something less than that: touchscreen machines for texting and calls, perhaps with the occasional game or two.

Whatever the reason, Android users aren't buying apps. And that's a problem for that platform, since developers, like , prefer to...

Developers, like all of us, enjoy earning money in exchange for the work that they do. And developers with experience on both platforms report emphatically that they can make more money in the iOS App Store than they can in any of the several stores that cater to Android device users.

Take the case of developer Ryan Bateman, who built what reviewers called "." Despite heavy tech news coverage about Papermill following its release, Bateman says the app netted less than $600 in profit over its first three weeks in release. Bateman's effective rate for the project to date worked out to barely more than $2 per hour.