I've been working on something similar. There is a Shapefile C Library that I found here:
Also there is a sample project that incorporates this into Mapkit here:
Question
We have a mapping application currently in the app store (https://itunes.apple.com/us/app/atlanta-fire/id825146524?ls=1&mt=8) and now we would like to add one or two overlays (the city limits, county limits, etc).
I have this GIS data available as a shape file and can also export as a pdf, png, svg, mbtiles and as a MapNik XML.
I do not want to override the native apple map (such as with Open Streets or MapBox), but just need to incorporate the shape file info.
Suggested strategies?
No correct solution