There are very few apps that allow you to make calls directly to ordinary cellphone and landlines, such as the Call+ and MagicApp Free Calls as detailed in my MICO Wars blog article entitled “How to make Free International Calls to Landlines and Mobiles Anywhere in the World”.
Available in both the Apple ITunes Store as well as the Google Play Store, WhatsCall enables you to call international landline and phone numbers directly. Developed by Cheetah Mobile Cloud, it’s currently a very popular app with over 10 million downloads. The WhatsCall VoIP app offers:
An example of this credit based calling system is listed below: