Track Udhaar, Send Reminders & GST Billing
Track micro-debts (Udhaar), send WhatsApp payment reminders, and create GST-compliant invoices instantly. The simplest billing app for Indian small businesses.
Simple Tools for Your Business
No clutter. Just the features you need to bill, track debts, and get paid faster.
GST Invoices
- GST Invoices with Auto Tax Calculation
- PDF Download & Print
- Quick Bill Generator
- Auto CGST/SGST/IGST
Udhaar Tracking
- Track Outstanding Debts Per Customer
- Dashboard Shows Total Udhaar
- Mark Invoices as Paid
- Clear Debt History
Payment Reminders
- Send WhatsApp Reminders
- Bulk Remind All Defaulters
- Per-Customer Reminder
- Auto-Generated Message
Customer Management
- Customer Database & Profiles
- Per-Customer Udhaar Balance
- Invoice History
- GST Number Storage
Products
- Product Catalog
- GST Rates per Product
- HSN Code Support
- Quick Add to Invoices
Sales & Reports
- Sales Dashboard
- Revenue & Udhaar Reports
- Company Profile on Invoices
- Customizable Settings
Vyapargpt is Free Forever
No credit card. No hidden charges. No limits. Track Udhaar, send reminders, create GST invoices.
Get Started Free →What Our Users Say
Join hundreds of Indian businesses that trust Vyapargpt for Udhaar tracking and billing.
"Udhaar tracking changed everything. I used to write in a notebook. Now I know exactly who owes me money and can remind them with one click."
"The WhatsApp reminder feature is a lifesaver. My customers pay faster when they get a professional message with the exact amount."
"Simple. Just works. Create a GST invoice in seconds, send it on WhatsApp, and track who hasn't paid yet. Exactly what my shop needed."
Ready to Simplify Your Billing?
Join thousands of Indian businesses. Start using Vyapargpt today — completely free.