theappfarm
You say you track conversions by source but I assume you have to have 1 URL per source correct? If this is the case you are no different than what I suggest above but you take a 5% cut instead of the developer getting it.
A Story of Why Devs Should Think Twice about Developing for the iPhone
Quite a statement coming from someone working on "problems in quantitative finance." Not sure which adds less value, high frequency trading or (insert any activity on earth here).
Also important to note is that calculated the piracy rate as the difference between iTunes sales and Pinch media uniques. I have found that Pinch Media's data is less conclusive than it used to be so I wasn't using their metrics for either cracked or jailbroken phones.
As for the pirates try before they buy excuse, I agree that this is probably not the case. I think it is a churn game (similar to music) for most pirates - they try hundreds of apps for very little time and stick with only the very few that they like.
As for your piracy block - I tried this once and decided better to let them have a lite version of the app over blocking them entirely. Not sure the point of angering the most vocal, early adopters on the web. Check out a post I wrote dealing with this: http://www.icombatgame.com/2009/05/22/on-the-web-every-users...
NY Restaurant's Recession App Helps You Fudge Receipts
Our Pirate Game is Getting Owned By App Store Pirates
Just How Much Does a Lite Version Help Boost App Sales?
Multichannel Marketing in an App Store Full of Noise
Also - the web portal requiring maiden name and phone number is a bit extreme. It is as if DD's goal of getting user data outweighed their desire to make the app easy to load and use.