Hi all!
I want to advice you very good app Save the money!
This app help you not to spend a lot of money when you are speaking by phone. This app control your money - minutes!
Could you please try it and I reviewed, commented rate ? Thank’s a lot!
You can search it
com.olexandr.sergiienko.savethemoney 
Try and comment app Save The Money
This application really helps to control my money, I will advise this all my friends and relatives!
My wife likes it very much! Thank you!:o
By the way the link is https://play.google.com/store/apps/details?id=com.olexandr.sergiienko.savethemoney&hl=
O, thank you!
Friends, please find and try this app!