Bill in 60 seconds. Work offline.
SmartBill is the fastest way for Indian shop owners to generate GST invoices, manage inventory, and share bills on WhatsApp - from any phone, tablet, or laptop. Works even when the internet doesn't.
From product to bill in three steps.
Add your product catalog once, then bill in seconds - text or voice. Every bill is stored on your device instantly and syncs to the cloud when online.
Add products.
Enter each product name, price, GST rate, and stock - manually, via CSV import (Monthly+), or by asking the shop owner. SmartBill remembers everything.
Start a bill.
Search products by name, tap to add, adjust quantity. Toggle GST or Non-GST invoice, pick payment mode. Total updates live with round-off.
Save + share.
PDF generates instantly with UPI QR embedded. Share on WhatsApp with a pre-filled message. Bill is queued for CA export automatically.
Everything a small Indian shop actually needs.
Not bloated ERP software. Not a general POS. A billing app tuned for how Indian shop owners really work.
GST invoices with HSN
Every GST bill has GSTIN, HSN code per line, CGST/SGST split, taxable value, grand total in words. Compliant out of the box.
UPI QR on every bill
Every printed bill embeds a UPI QR with your ID and the exact bill amount pre-filled. Customer scans, pays, done - no typing required.
Offline-first, always
Every bill, product, customer lives in IndexedDB on your device. Internet outage? Keep billing. It syncs to the cloud silently when you're back online.
Voice billing · Hindi + English
Say add 5 LED bulbs, 2 fans and the invoice writes itself. Yearly plan only. Speeds counters up during rush hour.
CSV catalog import
Upload your full product list from Excel in one shot. Prices, HSN codes, stock, supplier. Perfect when onboarding a shop with 500+ items.
WhatsApp share
Every saved bill has a one-tap WhatsApp share. Pre-filled message with the bill PDF link and total. Customer keeps the bill, you keep the record.
Inventory + reports
Stock decrements automatically as you bill. Low-stock alerts. Daily / weekly / monthly sales reports. Filter by GST vs Non-GST for CA filing.
Cloud backup + multi-device
Your data survives even if the device dies. Sign in from a second phone or laptop and see the same catalog, bills, customers. Yearly plan.
CA export CSV
One-click export of all bills in a date range, formatted for your CA. Draft or quotation bills stay out. Each real bill exports only once - no duplicates.
Simple pricing. Three plans.
5-day free trial. Cancel anytime. No setup fees. No hidden costs. Yearly customers renew at ₹1,999 / year.
- Text billing
- Add products (manual)
- GST invoices with HSN
- UPI QR on every bill
- WhatsApp share
- Offline mode
- Everything in Free
- Unlimited invoices
- Inventory management
- CSV catalog import
- Sales reports
- UPI QR + WhatsApp share
- Everything in Monthly
- Voice billing (Hindi + English)
- Cloud backup + multi-device
- Multiple invoice templates
- WhatsApp marketing
- Priority support
Questions? We've answered them.
What is SmartBill?
SmartBill is an offline-first billing PWA (progressive web app) built for Indian shopkeepers. It generates GST-ready invoices with HSN codes, adds a UPI QR to every bill, syncs to the cloud, and works on any device with a browser - phone, tablet, POS terminal - even when the internet is down.
Do I need to install anything?
No. Open smartbill.zeptrixlabs.com in a browser, tap Add to Home Screen once, and it behaves like a native app after that. No Play Store, no App Store, no downloads.
What if my internet goes down?
SmartBill is offline-first. Bills, products, customers - everything is stored on your device via IndexedDB. You can continue billing without any internet. When you come back online, it silently syncs to the cloud.
Is it GST compliant?
Yes. Every GST invoice includes your GSTIN, HSN codes per line, CGST/SGST split, taxable value, total tax, grand total in words, and terms. Exports a CA-friendly CSV of all your bills for filing.
How much does SmartBill cost?
5-day free trial with no card required. Monthly plan is ₹599 / 30 days. Yearly plan is ₹5,999 / 365 days. Existing yearly customers renew at ₹1,999 / year.
Can I use voice billing?
Yes on the Yearly plan. Say add 5 LED bulbs, 2 fans and the invoice writes itself. Supports Hindi and English.
Does it support back-dated bills?
Yes. Every bill has a date picker. Owners can back-date any bill for late entries. Back-dated bills use the correct year in the invoice number.
Can I share bills on WhatsApp?
Yes. Every bill has a one-tap WhatsApp share with a pre-filled message including the invoice PDF link and grand total. Works on all plans.
Onboard your shop
in under 10 minutes.
First 5 days free. Cancel anytime. No credit card needed to start.