This is just an update to what I was saying about Google maps coordinate to be one of our daily apps in the future. And the latest news is that it's available now on both iPhone and Android.
Best feature: You can share real time geo location of your friend, employee, family when you are on the go. You can coordinate well during party or meeting or get together etc., Here is the official post.
Official Google Enterprise Blog: Google Maps Coordinate now available on iPhone