This is a All currency Supported Billing Software or system that Generate Receipts for Your shop, business or store customers.

Bill Maker
Invoice Generator
Receipt Creator
Billing App
Invoice Maker
Receipt Generator
Billing Software
Invoice Creator
Receipt Maker
Bill Tracker
Expense Tracker
Receipt Tracker
Business Invoicing
Small Business Billing
Invoice Management
Receipt Scanner
Expense Management
Financial Tracking
Invoice Tracker
Digital Invoicing

A large number of Bill Themes are available.
Includes following features
GST billing , Discount added Receipts,
Bill with own logo, Predefined Product or Item List, Auto Invoice Number, Auto Date, Direct Messenger Sharing.

also you can include Taxes in your Bill like CGST , SGST ,CBDT, VAT, CESS, CBEC,TDS

You can also Create Receipt with Custom Invoice Number,
The date Can be changed manually.