It is said here http://kivy.org/docs/gettingstarted/intro.html?highlight=iphone
On your computer, you can create apps that run on:
Desktop computer: MacOSX, Linux, Windows.
iOs Devices: iPad, iPhone
Android devices: Tablets, Phones. And any others touch enabled
professional/homebrew devices supporting TUIO.
But would Apple allow ios apps made with it ?
Their FAQ page ( http://kivy.org/docs/guide/packaging-ios.html#faq ) states that the apps will be accepted. And they have http://itunes.apple.com/us/app/deflectouch/id505729681 as an example, built with kivy.