To some people, the idea of purchasing a self-contained
navigation device does not make much economic sense. After all, GPS navigation
is available on smartphones. However, dedicated navigation devices do make a
lot of sense. For example, when lost it is frustrating to exit the GPS app to
call a friend for directions. In addition, a navigation device brings you
superior quality compare to some phone apps on the market in terms of map
quality, particularly if you find your self in an area with no Wi-Fi or 4G
signal.
