Can you export a game through iTunes or something? And then put it in Xcode or something in order to publish it through Apple, or something? 
You’ll need to use an app called iExplorer (free) on your Mac or PC to browse your device and get the project.codea folder onto your computer.
We used to have an export option from Codea but had to remove it to comply with Apple’s policies.
@Simeon - I’m pondering the idea of writing an app that can take your code you copied out of Codea and separating it back into classes and making a Codea file out of it. Is it worth it? It would run on the Mac and PC in the language I’ll use.