Make worldwide calls at cheap rates using Flipcall app

Hey friends, its very long I've posted any article. Actually I'm busy with my job and I hardly get some free time to update my blogs. But today I've got some time and hence I'm sharing a short post for you all. This post is about an android app called "Flipcall" (i think it is inspired from flipkart, lol) which is offering cheap national and international calls. I downloaded this app and