Kasir Usaha is a mobile application that replaces the function of a calculator, sales book, report, and printer for small to medium businesses such as fashion and electronics stores, restaurants, cafes, kiosks, counters, salons, and other service businesses. The app is designed to make the buying and selling of goods and services faster and easier. It is a free app and does not require any credit card or contract commitment.

The app's main features include transaction recording, sales documentation, report generation (daily and monthly), and sharing of receipts and reports through various digital media such as email, SMS, and WhatsApp. The app also has a barcode and QR code scanner, inventory management, financial management, and data management for products, customers, and suppliers.

The app is currently under development for printer and cloud/back-office services. However, the app's disclaimer states that the developer is not responsible for any losses that may occur due to the use of the application. Overall, Kasir Usaha is a useful app for small to medium businesses looking for a simple and free point-of-sale solution.