The app is very easy to use. The phone whose location is being tracked needs to have the app set in "Response" mode. The phone is now ready to respond to location requests that it receives via SMS. The next step is to set up a list of authorized users. The app will only process location requests received from one of these users. Once that is done, location requests can be sent in one of the two ways - via the PhoneTracker app installed on another phone or via a manually created SMS request. When the app receives a valid location request, it will respond back with a SMS containing current location info.
This app will receive and send SMS messages. Hence, network operator charges may apply.
For more info, please read the FAQ found in the About section of the app.
This app is currently in BETA. Please report bugs, feature suggestions to the developer via the Send Feedback section of the app.