Hi Talk for iPhones:
HiTalk – Free international and local calling & texting4+Intellectual Flame Co., Ltd.Make and send FREE local and international phone calls and multimedia messages via HiTalk. Enjoy live walkie-talkie, photo, location sharing, and a variety of fun stickers with friends. HiTalk is equipped with unique technology that supports HD quality sound you never experienced in traditional calls.
WePhone – free phone calls & messages
Best Phone Call App on the App Store √ Can display your current cell number ( Caller ID ) √ $0.6 USD Free gift credit to start with √ RECORD phone calls for free √ Absolutely Ads free! √ Turn your iPad/iPod touch to an iPhone √ Call anyone, anytime, from anywhere in a cheaper way.