Google map is an app which every one not even has it in their phone but also used by almost everyone on day to day basis.its an app which provides map for almost everywhere in the world.its also used by many big companies like uber etc.
But even a comman man requires it to know direction from point a to point b.added features are that it will give you route options.it tells you your expected time of arrival.it gets you traffic update and even road closure information.it also gives you voice instruction so that you do not have to keep looking to your phone.this software is available for almost every device be it ios, android, windows, macbook, symbian, even your ipads and tablet.i personally use it more often to know my expected time of arrival, which is very accurate.i highly recommend.