Atlas by Collins is a very attractive app. It doesn’t hope to compete with the amount of data you can unearth by searching Google, but you’ll find much more than just the essentials, presented in an easy-to-use, self-contained app. Offering access to seven different globes grouped into three collections, the app covers everything from standard atlases to people, energy consumption, and production, as well as our impact on the planet -- with more promised in the future.
Google has released version 3.0.0 of Google Earth and it is just now beginning to appear in the iTunes App Store. The update includes native support for iPad and runs as a universal app on the iPad, iPhone, and iPod touch.