Airtribune has officially released the iOS version of their Live
Tracking App. It will be available for the Dinosaur meet and the Santa Cruz
Flats Race. If you have an Android or Apple phone you can use it to display your
track log in real time as well as use it for a backup for the flight tracking
logger (GPS or 6030).

It is very important for the meet organizers that you participate in live
tracking, to highlight the competition and for safety purposes. Data (48
kb/hour) and battery usage is minimal. You can purchase a battery charger for
your phone that works off a battery and plug it in flight.

Like this
here.

The App should be up on the Airtribune web site soon.