Question: how to make a long distance phone call free?
Answer: Viber. Viber is one of the most popular apps for free international calls. ...  WhatsApp. Another commonly used app is the Facebook-owned WhatsApp. ...  FaceTime. If you're connecting to another Apple user, you can use the built-in FaceTime app. ...  Skype. ...  Rebtel. ...  IMO. ...  PopTox. ...  LINE.