I’ve looked through the posts on the Cloudmade site here and I get some of it, but not all. I\'ve posted the question below, but haven\'t had the help I need, so I thought I
The best solution for me to have iPhone offline maps is:
1.- Generate your own maps with TileMill and then export to MBTiles format.
2.- Get the mbtiles-ios-example and use the MBTiles file you just generated. In order to compile it, you need to download Route-Me and add it to the project.
Now, there is another option (not for free): Mapbox.