CITYTAG is compatible iPhone 3G, 3GS, iPhone 4, iPhone 4S & iPhone 5 (iOS 4.3 or higher).
CITYTAG is a barcode reader / scanner.
The app uses the camera on your iPhone to read the information contained in the barcode ... Reading the barcode is immediate: no action or data entry is to be made!
Open CITYTAG
Press the "SCAN"
Aim the bar code printed ...
CITYTAG does the rest.
Your barcode is automatically decoded!