App in the Air, a free iPhone app aimed at air travelers, allows travelers to chat to fellow travelers at airports, share their experiences about airports, make recommendations, know about dining/shopping/WiFi options and receive various flight related status and updates on their smartphones. Travelers at an airport can also share taxi services through the app.
The app offers full Passbook integration for storage of mobile passes. The social aspect of the app is quite addictive and helps passengers get to know about unkbown airports from experienced travelers.
App in the Air can be downloaded at Apple iTunes.