There's a good reason why Microsoft's SkyDrive cloud storage client for iOS has seen its last update in June of last year: revenue sharing. Per Apple's rules, third-party software is required to share 30 percent of proceeds from in-app sales with Apple.
For example, when you fire up Dropbox's excellent iOS client and upgrade to a paid storage tier within the app, your iTunes credit card on file gets charged and Apple earns its 30 percent share.
Though Microsoft wanted to introduce that same functionality into the SkyDrive app, it wouldn't share any revenue with Apple. Neither party would budge and a spokesperson previously said Microsoft was "in contact with Apple regarding the matter."
The two parties have supposedly reached an amicable solution because Microsoft today announced SkyDrive 3.0, a major new version rocking an overhauled interface, support for the iPhone 5 and iPad mini and a few other features...