If you make international calls from US you might get huge bills for talks on your iPhone.
There is a way to call overseas and save up to 90% of your money! 011Now app gives you simple way to make such calls. There is no need to remember access number for the service, the app will call to 011Now access number itself simply enter the phone number of your friend in the program. - No contracts - No hidden fees - One minute rounding - Cheap international rates - No maintenance fees If you wish to make calls from your other phones using your 011Now account visit www.011now.com for more details.
Requires iOS 3.1.3 or later.