Do you use a pre-pay or pay-as-you-go iPhone?
Use Phone Minutes to calculate how much talk time you have remaining! Simply input how much credit you have, amount of bonus minutes (if you have any) and your call rate.
UK users can select from a list of pay-as-you-go tariffs on all of the major UK networks that support iPhone, including Orange, Vodafone, T-Mobile, 3, O2 and Tesco Mobile.