Google Voice iPhone application has been approved. This google voice iphone free calls service enables users to make free calls within the United States and Canada. Though international google voice iphone calls will be charged but it rates are unimaginably low. This googe VoIP service is an alarming news for at&t which charges a much higher rate for long distance calling. This google voice iphone app also offers free google voice iphone forward voicemail, and the ability to listen to voicemail messages live.