It isn't a blog, but I would highly recommend picking up a copy of iOS Recipes by Matt Drance and Paul Warren: http://pragprog.com/titles/cdirec/ios-recipes htt

It isn't a blog, but I would highly recommend picking up a copy of iOS Recipes by Matt Drance and Paul Warren: http://pragprog.com/titles/cdirec/ios-recipes http://pragprog.com/titles/cdirec/ios-recipes. It has a bunch of little tips and tricks in it on making your app work and behave better in general.