The Sprint Family Locator allows you to try the Family Locator for free for the first 15 days. After the free trial period the Sprint Family Locator costs $5 a month to locate 4 Sprint phones.
"The cost of a Sprint family plan varies. Plans ranges from $59 dollars to $139 per month. The cost of a family plan depends on what trype of services you are interested in, such as minutes, text,...
A sprint family locater is basically exactly what it says. It helps you track down your family using a GPS. You can track them down by either the computer or your phone. Yes it is just that simple!