Offline Maps is mapping application for frequent travelers who do not want to pay outrageous data roaming fees while abroad. Free basic world OpenStreetMap (OSM) is included. You can download additional offline maps for a small fee at home or over Wifi and use maps without data connection.
view detailed online maps (free)
view general online map (free)
download and view offline map packages (paid)
search placenames (online, free)
view POI layers (online, free)
Note that with one SMS-based payment you can download 10 map packages.
Data and maps are from OpenStreetMap – the world-wide wiki map created by you.