FIZ: 24/7 Financial Assistant
Invoices, taxes & payments
About
Manage invoices, payments, and taxes for freelancers and small businesses in Portugal. Features include AT-certified invoicing, contactless payments, and an AI tax bot for instant support. Stay on top of your finances with a clear dashboard and tax reminders.
What's New in FIZ
4.19
October 29, 2026
New in 4.19: Sign in with Apple; every card payment taken with Tap to Pay on iPhone or QR now gets its invoice-receipt automatically, with redesigned Payments and a filter for payments without a document; a new Home with what is left after taxes, the amounts to set aside, your account balance and referrals; the Art. 53 turnover page; partly paid invoices show what is left to pay; custom templates on credit notes and transport documents; Fatura de Consignação; item discounts on every plan. On iPad, FIZ now has a side menu and works in landscape.
MoreFAQ
What types of invoices can I create with FIZ?
FIZ supports AT-certified invoicing for invoices, invoice-receipts, simplified invoices, receipts, quotes, and credit/debit notes. It also handles working documents like pro forma and transport documents.
How does FIZ help with getting paid?
FIZ offers Tap to Pay on iPhone for contactless card payments, QR codes and payment links for invoices, and automatic invoicing after a payment. You can also print receipts on thermal printers.
What financial insights does FIZ provide?
The home dashboard shows what's left after taxes, VAT, IRS, and Social Security to set aside, and who owes you money. It also includes a VAT exemption assistant and a tax calendar.
Can FIZ help with tax declarations?
Yes, FIZ provides reminders for Social Security, IRS, VAT, and Recapitulativa declarations. It also syncs expenses from e-Fatura with IRS and VAT deductions summarized.
What kind of support does FIZ offer?
FIZ features an AI tax bot available 24/7 to answer tax and invoice questions, and an in-app chat with the FIZ team. Some plans include Fiscal Shield protection.
Is FIZ available on multiple devices?
FIZ is available for iPhone, iPad, and iPod, supporting light and dark themes, as well as PIN and biometric login for security.
How often is FIZ updated?
FIZ was last updated on October 29, 2026, with the latest version being 4.19. This indicates regular updates to maintain functionality and security.
Does FIZ have ads?
FIZ does not contain advertisements. The app is free to use and does not display any ads to users.
