An agile approach to iPhone design: Paper prototyping + user testing
iPhone App UX Review: Urbanspoon vs. Yelp
Upfront User Research for iPhone/iPad Apps: Why bother?
Improving Discoverability
Wrangling Apps in the Smartphone Wild West (January 2011)
Wrangling Apps in the Smartphone Wild West
Purchasing Flows on iPad eReaders: iBooks, Kindle, and Kobo
iPad UX Review: Adobe Ideas vs. SketchBook Pro
6 ways to refine iPhone and iPad Apps
iPad eReader UX Review: iBooks, Kindle, Kobo
iPhone App UX Review: Gowalla vs. foursquare
iPhone App UX Review: NY Times vs. USA Today
iPhone App Design: A user-centered approach