I'd like to publish on iOS, but the only device i have to test is an iPad4, i don't have an iphone.
1.- If performance is good when testing in the iPad means that it will also work properly in an iPhone?
2.- What's the best way to export for iOS, Phonegap or IntelXDK?
Develop games in your browser. Powerful, performant & highly capable.
If you just want to test, you can export to cocoonjs and install the coconjs tester app. If you get good performance on the ipad, you'll get good performance on the iphone. I've found Iphones hardware tends to out perform other platforms.
Ok, it's the same way with Intel XDK with its own app, right? but no way to test with phonegap?