London Congestion Charge - Map Alert & Pay

Map Alert & Pay is a very handy iPhone application that allows the user to receive free alerts when entering the London Congestion Charging area. The App will also allow the user to check a live map for location updates. If the user enters a Congestion Charging Zone, the application will alert the user that they have entered a charging area. The facility to pay via the iPhone App is also available via the free version.