Billin is a free Android app for creating simple invoices and quotes for self-employed individuals and small businesses. With Billin, you can save up to 16 hours per month on invoicing tasks. The app is designed to make invoicing, creating quotes, managing expenses, customers, products, and suppliers easy and fast. Billin has automatic options to help you save time and focus on the real needs of your business. It can automatically calculate your taxes, discounts, surcharges, and more. You can create, download and send invoices, quotes, proforma invoices, and cash receipts. You can also export invoices in PDF or Excel format and upload your expenses with a photo from your mobile. Billin comes with unlimited invoices, quotes, cash receipts, customers, and suppliers. You can try Billin for free for 30 days and access it from anywhere on any device.