I would suggest you go to Mabs. They are excellent for budgeting advice and will work on a budget with you and tidy up bank accounts etc. Consider opening a saving account and start saving for next Christmas in January. Keep this separate from any other savings and not linked to your bank account (to avoid temptation). If you spent €2080 on gifts etc this Christmas you need to be putting away €175 each month just for Christmas.
I also think it is strange that your budgeting app asks for your PIN.
I also think it is strange that your budgeting app asks for your PIN.