InvoiceSync360 • GST Billing & Invoicing OS
Professional GST Billing at Just ₹3,000/Year — No Hidden Fees
Built for retail shops, distributors, traders, and service providers across India. Generate GST-compliant tax invoices, run a 0.4s barcode counter POS, share PDF bills on WhatsApp with dynamic UPI QR, and close your monthly books — all from one affordable platform.
Experience Real-Time GST Calculation & POS Checkout
Test how InvoiceSync360 handles tax splits, state codes, barcode scanning, and instant UPI payment QR generation in milliseconds.
Invoice Simulator Settings Live Engine
Everything Your Indian Business Needs to Bill & Scale
One transparent software, flat ₹3,000/year, all 6 enterprise modules included. No hidden add-ons.
100% GST & e-Invoice Ready
Auto CGST/SGST/IGST tax calculation based on buyer state code. Automatic HSN/SAC directory lookup, tax slab validation, and 1-click IRN e-Invoice & e-Way Bill compliance.
- GSTR-1, 2B, and 3B auto-generated JSON
- Multi-GSTIN & reverse-charge support
High-Speed POS & Barcode Counter
Lightning-fast 0.4s counter checkout designed for high footfall retail. Connects with handheld USB & Bluetooth barcode scanners, scales, and cash drawers.
- 2-inch & 3-inch ESC/POS thermal printing
- Full keyboard shortcuts for speed
WhatsApp & Dynamic UPI QR
Share branded PDF invoices directly to customer WhatsApp and email with zero paper overhead. Invoices embed dynamic Bharat UPI QR codes for instant settlement.
- Auto payment confirmation receipts
- Direct PDF delivery with company logo
Multi-Godown Stock & Inventory
Track stock levels across multiple godowns or shop floors in real time. Batch and serial number tracking, low-stock WhatsApp warnings, and automated supplier reorders.
- Purchase Order (PO) & GRN stock-in
- Unit conversions & price-level lists
Smart Khata & Udhar Credit CRM
Maintain customer and party ledgers with custom credit limits. Track overdue receivables, generate statements of account, and dispatch polite WhatsApp payment reminders.
- Cash drawer reconciliation at day end
- Party balance ageing analysis
Double-Entry Accounts & CA Reports
Full double-entry bookkeeping without needing an accounting degree. Profit & Loss, Balance Sheet, trial balance, and sanitized tax schedules ready for your CA.
- Excel & JSON 1-click export
- Automated daily cloud backups
Legacy Accounting Software vs. InvoiceSync360
Why thousands of Indian shop owners are abandoning costly annual renewals and crash-prone desktop software.
₹15,000–₹25,000 Renewal Trap
Traditional providers lure you with a low first year and then jack up AMC renewal charges by 40-70% each year.
Flat ₹3,000/Year Forever
Guaranteed same renewal price. No price hikes, no hidden transaction fees, and no per-user cashier restrictions.
Hardware Dongles & Single-PC Lock
Locked to one desktop computer. If the hard disk fails or dongle breaks, your entire shop counter halts for days.
Cloud Sync + Local Offline Buffer
Works offline during broadband dips, then automatically syncs. Access from any laptop, tablet, or phone securely.
Expensive Paper & SMS Aggregator Bills
Charging 25p per transactional SMS plus massive paper wastage on dot-matrix printer paper rolls.
Direct WhatsApp PDF Invoicing
Customers get their crisp PDF tax receipt on WhatsApp in seconds with dynamic UPI QR code for immediate payment.
From First Quote to CA Filing — In 4 Steps
InvoiceSync360 covers your complete daily commercial lifecycle.
Fast Quote / Estimate
Build a professional branded estimate with tax projections. WhatsApp or email it to client; 1-click convert into tax invoice upon approval.
GST Tax Invoice
Auto-calculate CGST, SGST, IGST with HSN codes. Thermal receipt or A4 invoice printed in seconds, with optional e-Way Bill IRN.
Dynamic UPI & Ledger
Collect payments via embedded UPI QR codes. Track cash, bank transfers, credit khata, and partial payments with automated reminders.
1-Click CA GSTR Filing
Generate ready-to-upload GSTR-1 & GSTR-3B JSON files. Hand over clean monthly sales/purchase ledgers to your CA with zero reconciliation errors.
Compatible with Your Existing Shop Hardware
No expensive proprietary machines required. InvoiceSync360 connects seamlessly with standard retail hardware out of the box.
Just ₹3,000/Year — Guaranteed Same Renewal Price
No per-user fees. No per-invoice charges. No renewal price escalation. The same ₹3,000 every year.
InvoiceSync360 Annual License
- Unlimited Invoices, Quotations & Delivery Challans
- GST Auto-Calculation (CGST / SGST / IGST) & GSTR-1/3B JSON
- POS Mode with Barcode Scanner & ESC/POS Thermal Printing
- Customer WhatsApp PDF Invoicing with Dynamic UPI QR
- Customer & Supplier CRM with Udhar Khata Ledger
- Multi-Godown Inventory & Low-Stock WhatsApp Alerts
- Double-Entry Accounts, Day Cash Drawer & CA Balance Sheet
- Automated Daily Cloud Backups with Indian Data Residency
- 12 Months Dedicated Hindi & English Technical Support
One-time remote setup assistance included. Instant onboarding.
Frequently Asked Questions
Everything Indian business owners need to know about InvoiceSync360.
Does InvoiceSync360 support GST billing with CGST/SGST/IGST? ↓
Yes. InvoiceSync360 automatically calculates CGST, SGST, and IGST based on the HSN/SAC code and buyer state code. You can configure multiple GST slabs (0%, 5%, 12%, 18%, 28%) and the software handles all tax splits correctly on every invoice, ready for instant monthly GSTR-1 and GSTR-3B filing.
Can I use InvoiceSync360 as a counter POS with thermal printers and barcode scanners? ↓
Yes. InvoiceSync360 includes a dedicated Point of Sale (POS) mode. Connect any standard USB or Bluetooth barcode scanner, add items to the cart in 0.4 seconds, and print a thermal receipt instantly. It supports 2-inch and 3-inch ESC/POS thermal printers from Epson, TVS, NGX, and generic thermal brands.
Can I import my existing product inventory and customer data from Tally or Excel? ↓
Yes. InvoiceSync360 comes with a 1-click Excel/CSV bulk import tool. You can import all your customer contacts, open balances, product catalog with HSN codes, and current stock in under 10 minutes.
Can my customers receive their invoice directly on WhatsApp? ↓
Yes. InvoiceSync360 lets you generate a branded PDF invoice and share it via WhatsApp or email directly with one click. Your customers receive a professional invoice on their phone with a dynamic UPI QR code for instant payment.
Is InvoiceSync360 suitable if I only issue a few invoices per month or operate a single shop? ↓
Absolutely. Whether you issue 10 invoices a month or 10,000, the price is the same — ₹3,000/year. There are no per-invoice charges, no volume limits, and no per-user fees.
What happens when my broadband internet drops during peak billing hours? ↓
InvoiceSync360 includes local offline buffering. You can continue scanning barcodes, generating bills, and collecting cash at the counter without interruption. As soon as your internet reconnects, all records sync seamlessly to the secure cloud.
Ready to Upgrade Your Billing Counter Today?
GST tax invoices, 0.4s barcode POS, customer CRM, stock control, and monthly CA reports — all for ₹3,000/year flat.