This Week in iPhone News – July 3/2009

Trixel Postmortem Very informative postmortem of the iPhone game “Trixel.”

Birdfeed An alternative Twitter client for the iPhone. Includes features such as: local caching, refresh timestamps, and SMS-style direct messages.

Here’s How iPhone App Store Ratings Work More criticisms of the iPhone App Store.

Essential iPhone Memory Testing Great tips for debugging memory issues.

John Carmack and Tom Mustaine on Doom, iPhone Desires, and the Future of id Mobile Engaging interview with the technical and business end of id software.

Develop Native iPhone Apps Easily Corona is getting a lot of buzz. The basics are covered in this informative article. Our next podcast — due Sunday — is an interview with Corona’s creators.

Recommend Your Favorite iPhone Apps with AppsFire Great new recommendation site for iPhone apps.

Beginning iPhone 3 Development A popular iPhone development book gets an upgrade and the author is candid about what changed from the last version.

Apple Releases iPhone OS, SDK 3.1 Betas to Developers Not one to rest on their laurels, Apple released beta versions of iPhone OS 3.1 and iPhone SDK 3.1 this past Tuesday.

iPhone OS 3.1 Features More details on what’s new with iPhone OS 3.1.

Obj-C Framework for Parsing, Tokenizing, and Language Processing A handy framework you can use for parsing and other tasks for the iPhone.

SDKs and Deployment Targets Easily build a single binary of your application such that it degrades gracefully on earlier platform versions.

iPhone Game Programming – Game Structure Part 10 of a great video based tutorial series on iPhone game programming.

iPhone 3GS Smokes Competition in OpenGL Benchmarks OpenGL performance revealed for iPhone 3GS.

Student Startup Challenges Crowded iPhone App Store with Innovative Game It’s always a good idea to be original when developing a game for the iPhone in this crowded market. See how a group of young students went about trying to do something new.

iPhone 3.1 Enhancements More details on the new iPhone 3.1 update.

iPhone 4.0 Revealed 4.0 you say? Here’s a sneak peak at what’s coming next for the iPhone in the near future.