The most notable changes from this new application are the quality of the pictures. That's because Google has added support for the Retina Display iPhone Google Earth application, which makes exploration of the Earth becomes more fun. As quoted from Mashable, Tuesday (09/21/2010).
What makes this application worth to be downloaded is in addition to bathymetry (the study of the ocean) and ocean content. Underwater view of Google Earth 1.3 allows users to explore the ocean depths. New layer "Ocean" to add the information and content from some of the ocean like the Pacific, Atlantic, Indian and Arctic. Much of this information delivers information from content curated by Sylvia Earle Alliance and Wikipedia.
Google Earth for iPhone and iPad has now been updated, by adding a layer to "Ocean," which makes Google Earth as one of Google's mainstay product.