But there won't be desktop Windows 8 ARM users, so you'll have to re-engineer it twice? Unless there's some quick and easy way to write code that compiles to both architectures without fuss. But even then you essentially have to build two UIs.
I wonder to what extent any under-the-covers code is shared between apps that run both on iOS and OS X (like Pages, for instance) and whether there's any economy of coding scale there.
Comments
But there won't be desktop Windows 8 ARM users, so you'll have to re-engineer it twice? Unless there's some quick and easy way to write code that compiles to both architectures without fuss. But even then you essentially have to build two UIs.
I wonder to what extent any under-the-covers code is shared between apps that run both on iOS and OS X (like Pages, for instance) and whether there's any economy of coding scale there.
If you use the new WinRT runtime to build a Metro style app, you get both architectures without any extra work.