When you are out of the service area, you will not be able to obtain information from the network, so this app is a useful tool for users who are in the area where the network is not available.

This app is a GPS-based application, so you need to make sure that your phone has a good GPS signal.

This app can download maps in advance, so even if you are in an area where the radio waves do not reach, you will be able to obtain information from the network.

In addition, you can save the location information of your current location as a registered location with the touch of a button.