Call a Taxi PRO - Instantly find a taxi-cab, anytime, anywhere (iOS) app for $0.99
In 2 clicks you'll be talking to the closest (and therefore cheapest) taxi company to your current location.
Never get stuck for transport in a strange city or late at night again. Buy it for your wife, girlfriend, husband, boyfriend now! Even better - buy it for yourself.
Call a Taxi is one of those great iPhone apps. A must-have friend in your pocket, ready for when you need it.