13 February 2011 (programming haskell iphone) (5 comments) I couldn't find a step-by-step tutorial explaining the process of developing iOS applications in Haskell, so after finally getting "Hello World" to run on an iPhone, I decided to write this tutorial. I should also credit Lőry, who did the iOS side of the work. The basic overview of what we're going to do in this tutorial is the following: