Use Here Maps for its basic navigation and maps, but don't bother with Nokia's added features.
The Here Maps app does a pretty good job with most of what you would want in a navigation app, but various issues and a lack of visual options like Street View make it only a passable substitute for what is already available.
Genius Maps by Mireo shows promise as a sharply designed offline navigation app, but destination input and search could use streamlining.
Apple Maps now has functional turn-by-turn navigation and gorgeous 3D Flyover features, but lack of public transit directions, shoddy details on maps, and distorted 3D views in some areas make this app mostly unusable until there's an update.
With its iOS Maps app, Google sets the standard for what mobile navigation should be and more.
With its long list of features, zippy performance, and syncing of data across other devices, Google Maps is a must-have application for anyone running Android.
The latest update for iTunes brings it in line with iOS 8.4, adding Apple Music and Beats radio to Apple's media app.
Save Google Maps for offline access, so you can navigate the roads even when you're off the grid.
Interstellar echoes from a flaring neutron star have allowed astronomers to solve a mystery -- pinpointing the star's location.
Remember when you could easily access your custom maps through the original Google Maps app? Now you can do that again.