Ratings & Reviews performance provides an overview of what users think of your app. Here are the key metrics to help you identify how your app is rated by users and how successful is your review management strategy.
1, Precise compass and tell you the direction 2, Map helps you get accurate location and navigate for you 3, Altimeter measure your current height that above the sea level 4, Sharing feature can help you to send current position with picture and words to your family members or friends, then you will be found easily Continued use of GPS running in the background can dramatically decrease battery life