Nowadays many cell phones such as Nokia and HTC phones, come with GPS function. Many user confused GPS and GPRS. And they always curious is gps a free?
GPS means global positioning system while GPRS stands for General Packet Radio Service. GPS is used in positioning, navigation and timing services.GPS navigation devices or GPS receivers get the signal broadcast from the GPS satellites.
Everybody can use the free and open gps signal, FOC. However, the GPS navigation software is not free. For some cell phones, though the software is given foc. Also, some service provider give updated map on regular basis. Normally user have to subscribe this paid service in order to get the most updated maps. Some gps users setup a forum, then update and share the gps map. In this case, you can get free map from the forum.