http://newyork.cbslocal.com/2012/07/03/aclu-nj-launches-smartphone-app-that- lets-users-secretly-record-police-stops/

So far it's just for Android. My app does something similar but is only for iPhones, so one of us has you covered either way!

Here's my App: http://itunes.apple.com/us/app/steakley-law/id515449826?ls=1&mt=8