F2b is a free Android app that offers a comprehensive financial management solution for businesses and individuals alike. With F2b, users can easily register invoices and payment slips, track payments, and resend emails. Moreover, users can configure Pix in F2b billing and enjoy benefits such as immediate credit to their account, payments via QRCode (online or in-store), and automatic immediate returns. The app ensures that payments are not duplicated and provides a range of other useful features.

In addition to these features, F2b allows users to pay bills and invoices, recharge their mobile phones, transfer balances, check their account statement, reset their password and/or PIN, and submit documents for account validation. To get started, users need to link their mobile phone to their F2b account on their first access.

Overall, F2b is a versatile and user-friendly app that simplifies financial management, making it an excellent choice for individuals and businesses looking for an all-in-one solution.