Easy Invoice Maker - Estimate Generator is a free app for Android devices that allows you to create and send professional PDF invoices and estimates to your customers/clients. With this app, you can enter your organization details, customer bill details, invoice number, invoice date, and invoice due date. You can also add item descriptions, quantity, price, sales tax, discount, and shipping charges. Moreover, you can customize your invoice fields like discount, quantity, rate, tax, shipping, and item number.

This app provides basic sample templates to create invoices, and you can preview the template before generating a PDF file of the invoice. You can also share the invoice/estimate via any app that is capable of sharing and save all invoices as PDF files on your phone. Additionally, you can set discount on total, tax on total, and shipping charges. You can add notes and terms of conditions and generate estimate receipts with various pre-built templates. From the settings, you can change date formats and default invoice series prefix letters.