Well XDK will cease to exist this summer.
Cocoon is nice, but you will have to shell out hundreds of $ to remove the splashcreen if it bothers you.
I personally like Phonegap, it's free, no splashcreen and has short compiling time. For iOS (and other platforms) , you will have to read the doc on how to configure your project (setting up the icons and such in the config.xml ).
None of these services are problem-free, but most of the time the solution can be found online.
Thank you — thats interesting info.
Now that you have said Phonegap seems to be your winner, do you know if the Construct 2 IAP and Game Centre standard plugins still function after export in Phonegap, unlike Cocoon which uses its own custom made plugins?
I see the tutorial by Ashley on exporting with Cordova, which also has a brief summary on PhoneGap. However, it does not mention 'setting up the icons and such in the config.xml'. Do you know of any other tutorials of more detail?