If you know how to create an iPhone app, you're half way to building one for Windows 8. According to developer and consultant Aaron Hillegass, apps now offered through Apple's App Store don't have far to go before they can also reach the shelves of Microsoft's Windows 8 Store. "As soon as you have a successful iOS app, much of the work is done," said Hillegass, who's been programming since age 10 and got his first programming job at 19. "There are parallels between the two platforms and some things can be reused. You're not starting from zero."
A code re-write here, an API map there and in no time your apps should be riding on the Metro.