Offline map with GPS localization, map search, points of interest, and bookmarking for iPhone versions is available on AppStore.
City Guide offline Maps enables you to download maps offline to your iPhone. All the data is stored within the app, so you can access it in the most remote places and avoid expensive roaming and service charges from 3G or other inconvenience along with 17 POI (Point of interest) for each city.
There are yet more cities to join this list.
Select your city and follow to iTunes app-store to download
Naples City Guide (Offline)
Milan City Guide (Offline)
City Guide Liverpool (Offline)
New Castle City Guide (Offline)
Reading City guide (Offline)
Derby City Guide (Offline)
City Guide Birmingham (Offline)
If you have suggestion feel free to reply we will definitely work on it.