Billing software POS for Android is a feature-rich application for creating invoices and generating payment QR codes like UPI payment QR codes.

Feature overview
1)Create and manage items.
2)Create and manage customers and their balances.
3)Create and manage invoices.
4)Generate invoice receipts.
5)Generate sales reports.
6)Generate payment QR codes like UPI QR code and accept payments from customers
7)Manage record attachments
8)Multiple user accounts and permissions management
9)Manage data (Backup, Restore, Reset and Import)
10)Manage Paid in and Paid out amounts
11)Basic inventory management