The iOS 7-ready apps are starting to roll out. I’m looking forward to seeing what third parties do with the new design language.
James Thomson has found a clever way to keep supporting older iOS versions, too:
And for those not yet sold on Apple’s new-found minimalism, PCalc 3.0 still supports iOS 6, and has all the old themes included, so you do have a choice! The new look will activate when you update to iOS 7, but you can always switch back.