Text Free: WiFi Calling App for android from Pinger Inc
TextFree: WiFi Calling App is the official free calling and texting app for the United States, Canada, and Mexico. It has been used by millions of people.
TextFree is a completely free, easy-to-use app. You will not have to pay a penny to download it, use it, or to send or receive calls. It works on most Android devices, including tablets and phones. You can call other TextFree users, as well as call numbers in the United States, Canada, and Mexico. The app supports calling other TextFree users, using your contacts, and using your phone number. It also supports texting and messaging through its built-in text messaging app.