This app helps them to keep track of how many free units (free minutes, free SMS, free data MB, ...) they still have available for the current billing period at their current rate.It is possible to manage multiple accounts and retrieve. Keep the free units of their children in mind!Tips and Tricks: http://handytarifstatus.blogspot.co.at/The remaining available quota or the projection for the end of the accounting period are presented graphically.A traffic light system provides information on the projected status at the end of the billing period.RED: Less than 5% of the free units at the end of the accounting period still be in stock available.YELLOW: less than 20% of the free units at the end of the accounting period still be in stock available.GREEN: otherwise.Wide can be added for each detected account Widget. This indicates the percentage extrapolation for the free units at the end of the accounting period are still available.Currently available Provider:HOT (login via mobile phone number and PUK)Yesss!BOBorangeTeleringA1threeAldi talkT-Mobile(Klarmobil)Spusu(Eety)Please send me your queries through the APP (menu item - "email developer") if your data is not displayed correctly or gets her error in the query).If the query an error message you first check their username or password. "Open Provider homepage in the browser" With the button in the account settings you can easily navigate to the home page of the selected provider and there check whether their registered username and password are correct.If not all data are displayed correctly they can "open query in the browser" with all the received data from the last query in a browser.If your tariff not be retrieved correctly they send the developer an email before leaving a bad review.Given in the app, an entry in the menu is available. ( "Email developer")