I love this too.
I'm really interested in using the service for Health related purposes - like assessments.
I started playing around with it and started building a little iOS app for creating and managing forms and displaying them in a UIWebView which works quite well (unlike the creating part I hacked together). Current version works better in the simulator than on the device though, I need to tweak a few things, here's the repo... https://github.com/r3trosteve/typeform-ios