This was for a long time my favorite app, but recently has become unusable in my estimation. The difficulty in texting now is due to a narrow exposure or window of what you are texting, about one line and partial exposure of a second line. It is really difficult to oversee what you have already written and extremely difficult to edit. Also the box to skip a paragraph is vacant, only on Viber. I am now directing friends to Skype or WhatsApp, both superior.