A free app for Android, by Telefónica Germany GmbH Co. OHG.

What you get from the FONIC app:

• Be mindful of your equilibrium.
• How many unoccupied flats are still free? Keep an eye on the remaining included SMS and minutes as well as the remaining data (in MB).
• Upload balances using the bank account or per Aufladebon.
• Payroll Statement: PDF Summary of Recent Transactions (up to 80 days).
• Telephones Sorgenfrei? Use one of the bank account’s automatic recharge choices.
• Check out the best tariff for you! View the overview to find all tariffs. You can freely swap between the different rates if necessary.

It’s a great app that will give you maximum convenience!