There is a good reason why Apple Maps app edges over Google Earth. It’s the amount of data downloaded to your devices. Even though Apple has a lot of work ahead them, we can see that the Apple Maps App can become the most valuable app after Apple fixes all problems within next 12 months.

http://news.cnet.com/8301-13579_3-57525023-37/apple-maps-uses-less-data-than-google-maps-says-study/