Exist iOS frameworks for accelerating the introduction of native apple iphone / iPad applications for any Wordpress powered website? So, there's already a Wordpress site, and you want to produce a native iOS application which get it's data in the Wordpress site.
You could try PhoneGap.
You can test with http://www.shoutem.com/ they are able to create nice application for you personally in an exceedingly very little time..
There's a pleasant wordpress wordpress plugin.
(disclamer: Sometimes for any sister company, FiveMinutes ltd.)