Billing & Invoicing

Bill Smarter. Sell Faster.

InvERP's POS terminal creates GST-compliant invoices in seconds. Photograph a prescription and AI fills the invoice. Share via WhatsApp, SMS, or Email — all 100% offline.

InvERP — Billing & Invoicing
InvERP Billing Terminal

AI Invoice Scanner

Photograph a handwritten product list or doctor's prescription — AI reads it and auto-fills the invoice. No typing required.

WhatsApp Sharing

Send the PDF invoice directly to the customer's WhatsApp — no copy-pasting, no manual steps.

SMS Sharing

Share a payment link or invoice summary via SMS to any mobile number instantly from the billing screen.

Email Sharing

Email the PDF invoice directly to the customer's email address from within the app.

Auto GST Calculation

Automatic CGST+SGST for intrastate and IGST for interstate transactions. Zero manual errors.

Multiple Payment Modes

Cash, UPI, card, credit, and split payments. Track outstanding dues per customer.

Sales Returns & Refunds

Process returns and refunds with full stock reversal, payment reversal, and GST adjustment.

Batch-Aware Billing

Invoice lines automatically deduct from the correct product batch using FEFO logic.

Complete Invoice History

View, search, and audit every invoice. Full status history with timestamps and user tracking.

Invoice Details View

Drill into any invoice — line items, batch details, GST breakup, payment status, and more.

PDF & Print Ready

Generate professional PDF invoices and print to any connected thermal or laser printer.

Barcode Scanner

Scan product barcodes on Android and iOS to add items to invoice instantly — no typing needed.

AI Invoice from Handwritten List or Prescription

For pharmacies and specialized shops that work from prescriptions or handwritten lists — InvERP's AI scanner is a game-changer. Point your camera at a handwritten list or doctor's prescription, and the AI reads product names, matches them to your catalog, fills quantities, and creates a ready-to-review invoice. No manual entry.

  • Photograph handwritten lists or prescriptions
  • AI matches product names to your catalog
  • Handles generic names and brand names
  • Auto-fills quantities and pricing
  • Review and confirm before billing
  • Works offline on Android & iOS cameras
InvERP
AI Invoice Scanner

Share Invoices via WhatsApp, SMS & Email

Never let a customer leave without their invoice. InvERP lets you share the PDF invoice through multiple channels directly from the billing screen — WhatsApp for instant delivery, SMS for a quick summary link, or Email for a professional record.

  • WhatsApp — PDF sent directly to customer's number
  • SMS — payment link or summary message
  • Email — professional PDF to customer's inbox
  • Share from billing terminal or invoice history
  • No third-party apps required
  • Works on Android, iOS, Windows, macOS & Linux
InvERP
Invoice Sharing

GST-Compliant Billing in Seconds

The InvERP billing terminal is engineered for speed. Search products by name, brand, or generic name, scan barcodes, and add them to the invoice instantly. GST is split automatically based on the customer's state.

  • Product search by name, brand, or generic name
  • Barcode scanner support on Android & iOS
  • Automatic HSN/SAC code inclusion
  • CGST + SGST for intrastate sales
  • IGST for interstate sales
  • Discount per line item or invoice level
InvERP
Billing Terminal

Complete Invoice Lifecycle

Every invoice in InvERP has a full lifecycle — from creation to payment to returns. Track outstanding amounts, record partial payments, and close invoices when fully paid.

  • Invoice status: draft, confirmed, paid, returned
  • Partial payment tracking with due amounts
  • Payment receipt with QR code
  • Sales return linked to original invoice
  • Full audit trail with user and timestamp
  • Export to PDF for record keeping
InvERP
Invoice Details

Sales Returns & Refunds

Handle returns professionally. When a customer returns goods, InvERP reverses the stock, adjusts the GST, and processes the refund — all in a single workflow.

  • Full and partial sales returns
  • Stock reversal on return
  • GST credit note generation
  • Cash / credit refund options
  • Linked to original invoice
  • Reflected in daily sales report
InvERP
Refund Processing

More Screenshots

Billing Terminal
Billing Terminal
Sales History
Sales History
Invoice Details
Invoice Details
Sales Return
Sales Return
Refund Given
Refund Given
Payment Made
Payment Made
Daily Sales Report
Daily Sales Report

Start Billing Smarter Today

Download InvERP and transform your billing workflow — AI-powered, multi-channel, completely offline.