For tools such as unity, crown, flash and other platforms used to “create” iphone applications, Apple can “decompile” and examine your application (look at templates of generated functions, etc.). From this, they can guess that your application was generated by such a tool.
. : script, objective-c. objective-c xcode . script - - ? , , , -, . Apple , " objective-c, c, ++ javascript" , . 3.3.1 .