FOne

FOne is a new Mobile VoIP app, which is a free communications application for iOS devices by MegaTarget Telecom.
FOne lets you call, text, and share your locations, photos and audio notes for free anywhere in the world using your WIFI or 3G data connection.
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Summary of Features
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- Free calls and texts anywhere to other Fone users.
-Integrated your smartphone contacts and recent call list.
-Excellent sound quality on calls and voice messages.
-Share photos, contacts and maps in one tap.
-English, Traditional Chinese, or Simplified Chinese selected based on phone language.

Every user downloading and installing this app will receive and make free phone calls or text to other FOne users with service registered. FOne supports IDD calls and calls to regular landline and mobile worldwide.