Originally Posted by athlonkmf
That's really not advisable, as a built-in app can't get updated until the whole firmware is updated. And you really want frequent updates for iworks. Also, the price is actually meant as a limit for other devvers. It's apple's way of saying 'if you want to charge more, your app should be better than iworks'
Actually, the iWorks apps can be updated completely independent of the firmware since they are Apps rather than hard coded as part of the firmware.