the Ledger - EN (Free)

Think about a perfect app which,

* Calculates income
* Credit cards
* Bills
* Installments
* Other payments

and calculates what you have that month.

This app also hides these informations online for you. So even if you lost or change your phone, you will get those informations by your account. And you will be able to host more than one account in one app and calculate your relatives income and spendings.

The cheapest accountant... theLedger...

Full version:
https://play.google.com/store/apps/details?id=com.tulipsware.theledgerEN