Mobile Voip is a call and messaging App, and this is a tutorial on how to download, recharge, and use mobile Voip. the App enables a cheap local and international phone calls.and it is very easy to use.it is compatible with iPad , iPhone , and all androids. Please before selecting a provider at the new user registration section , make a research on google about the best provider regarding the county you are calling from. Finally , I recommend you to enable automatic recharge during your first time of buying credit , for this will save you a lot of time. if you encounter any problem during downloading ,recharging or using the app, please send me a message in the comment box .