From JTRIBE HOLDINGS:
Are you visiting someone over Christmas. Let the person know that you are coming. Once you are close to their house the app will send them a TXT/SMS message telling them where you are.
Select a person from the Address Book.
A TXT/SMS message when you are close enough.
An Email will be sent so the person can track you live via the Internet.
The distance to the persons address will be constantly calculated and once you are closer than 5 km (3miles) a TXT message will be sent.
Note: The "Download Now" link directs you to the iTunes App Store, where
you must continue the download process. You must have iTunes installed
in order to open the link, and you must have an active iTunes account to
download the application. This download may not be available in some