However, most developers have taken the past few months to update their apps according to Apple's new standards — which for some developers means checking a few boxes, and for others means sacrificing features users love. Since Mountain Lion was announced, many top apps like Fantastical, Sparrow, and 1Password have prepared for a Mac world that looks more like iOS's perceived "walled garden." For better or for worse, most developers seem to agree that adding support for Mountain Lion seems to be a do or die.
"Any developer who wants to build for Apple's products typically stays as on pace with the curve as possible, because that's what a significant portion of Apple's customers do," says 1Password's David Chartier. Developers now have two choices: sell unrestricted apps independent of the Mac App Store, or abide by Apple's rules to gain access to the App Store, its enormous distribution power, and new features in OS X like iCloud document syncing for apps and iOS-style push notifications from the cloud in Notification Center.
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