eInvoice: Invoice Generator is an Android app designed by SR Group, a free business and productivity tool that helps manage invoices and estimates. With its user-friendly interface and professional templates, this app is a compact and handy business tool for all your invoicing needs.

The app automatically calculates taxes, discounts, total amount, and payable amount, making it easy to generate professional invoices and estimates. You can save additional notes, images, and payment details in your invoice/estimate. The app allows you to save, share, and print your invoices and estimates. It also helps manage products/items and clients, with the ability to view reports of invoices/estimates with filters like date, type, and clients.

Moreover, the app allows you to set default business info in settings to be in invoices/estimates to be generated. You can also sign your invoices and estimates digitally and back them up on Google Drive.