There’s a number of very useful resources out there on the web that will help you when you’re developing mobile apps on iOS.
I’m reading a number of blogs on a regular basis, here’s a list:
- Cocoa with Love – a Must-Read for serious Mac and iOS developers, blog by Matt Gallagher
- iPhone iOS 4 iPad SDK Development Tutorials, Programming Tips, News
- Ray Wenderlich
- AnyGeo – GIS, Maps, Mobile and Social Location Technology
Other useful sites are: