OsmAnd is a map and navigation application with access to the free, worldwide, and high-quality 
OpenStreetMap data.
Enjoy voice and optical navigator, viewing POIs (points of interest), creating and managing GPX tracks, using contour lines visualization and altitude info (through plugin), a choice between driving, cycling, pedestrian modes, OSM editing and much more.
Navigation
• Works online (fast) or offline (no roaming charges when you are abroad)
• Turn-by-turn voice guidance (recorded and synthesized voices)
• Optional lane guidance, street name display, and estimated time of arrival
• Supports intermediate points on your itinerary
• Automatic re-routing whenever you deviate from the route
• Search for places by address, by type (e.g.: restaurant, hotel, gas station, museum), or by geographical coordinates... More Info »
Map Viewing
• Display your position and orientation
• Optionally align the picture according to compass or your direction of motion
• Save your most important places as Favorites
• Display POIs (point of interests) around you
• Display specialized online tiles, satellite view (from Bing), different overlays like touring/navigation GPX tracks and additional layers with customizable transparency
• Optionally display place names in English, local, or phonetic spelling
OSM Data
• High-quality information from the best collaborative projects of the world
• OSM data available per country or region
• Compact offline vector maps updated at least once a month
Safety Features
• Optional automated day/night view switching
• Optional speed limit display, with reminder if you exceed it
• Optional speed-dependent zooming
• Share your location so that your friends can find you
