Call44 app for iPhone and iPad

Low to zero cost international and national calling. Call44 allows you to make low cost and free app to app calls to national and/or international destinations.
Features:
1- Free Calls over 3G, 4G/LTE Network or over the WiFi calls for iPhone users.
2- Designed to work anywhere in the world with no restrictions, especially in the Middle East and African countries.
3- Low Cost minutes with Crystal Clear voice.
4- Roaming free with Call44 APP over the WiFi, by diverting your wireless carrier number to your APP and receive Roaming calls free.
5- Free to Sign up.
6- Secured communication.