The Tá Barato application allows you to read the QR Code of consumer invoices issued in the state of Rio Grande do Sul.
It's very simple! Just point the screen at the QR Code of the note and it is read instantly.

Application features:
* QR Code Reading: the application is able to read the QR Code printed on the Rio Grande do Sul invoices, making it easier for the user to access the invoice information.
* Information storage: The application automatically stores invoice information, including item prices.
* Product search: the user can search for previously purchased products.
* Security: The application uses encryption and authentication technologies to protect stored information.

Application benefits:
* Financial organization: by automatically storing item prices on invoices, the application helps users control their spending and have a clearer view of their consumption habits.
* Agility: the application allows the user to quickly access information on invoices, without having to save and organize paper receipts.
* Sustainability: by reducing the use of paper and improper disposal of tax receipts, the application contributes to the preservation of the environment. Keep track of the amounts spent for each item and see what price you paid for a certain product in your last purchases.