Just get tired of Samsung Galaxy S4 and jump ship to iPhone 6 Plus? I guess you probably don't want to leave your contacts behind? Here's one-click phone to phone transfer tool lets you transfer Contacts from Android Samsung Galaxy S4 to your new iPhone 6/6 Plus on Mac or PC.
Video Guide of Transferring Contacts from Samsung Galaxy S4 to iPhone 6 Plus:
MobileTrans - One Click Transfer from Phone to Phone
Transfer contacts, text messages, call logs, photos, music, video and apps between iPhone, Android, Nokia (Symbian) phones and BlackBerry - in just one-click!