Invoices & Estimates is a free Android application designed to assist users in creating professional invoices and estimates efficiently. It features over 1,000 built-in services and materials, GPS functionality to auto-fill addresses, and the ability to add logos and signatures to forms. Users can print invoices on the spot with mobile printers or share them via email and social media.

The app supports multiple payment options, including cash, check, and credit card, allowing for on-site transactions. It offers sync and backup capabilities across devices, full offline functionality, customizable templates, and a barcode scanner. Additionally, users can access detailed statistics and integrate the app with their calendar for invoice tracking. The application caters to various industries and supports multiple languages, enhancing its accessibility and usability.