Billing app for small shops: print a receipt and send it on WhatsApp in about 10 seconds
Print a thermal receipt on a cheap Bluetooth printer and send the bill on WhatsApp in about 10 seconds.
Free plan with 200 bills/month. No card needed. Works on your phone.
What Stellar Forge Billing does
Fast billing for small vendors.
Print in one tap
Connect a 58 mm or 80 mm Bluetooth thermal printer and print a clean receipt with your shop name, address and phone.
WhatsApp PDF invoice
Send the same bill as a PDF to your customer on WhatsApp in one more step.
UPI QR with the exact amount
Each receipt carries a UPI QR for the bill total, so customers can pay without typing.
Repeat the last bill
Open a customer's last bill and repeat it for regular buyers instead of typing items again.
Works on your phone
Mobile-first web app you can install on the home screen. No computer software needed.
No hardware beyond the printer
If you can use WhatsApp, you can use this. No training needed.
Printer compatibility & quick setup
Compatible with any budget Bluetooth thermal printer via Thermer App.
Works with every standard Bluetooth thermal printer
Tested on popular budget printers like NGX, Everycom, Bluprint, Phomemo, and generic Amazon ESC/POS printers starting from ₹1,200. No bulky desktop computer required.
- Turn on Bluetooth and pair your thermal printer with your phone.
- Install the companion bridge app Thermer App on your phone.
- Open Stellar Forge Billing, hit print, and watch your clean receipt with UPI QR print immediately!
Official Printing Companion: Thermer
Enables instant thermal printing straight from your mobile browser.
Learn about Thermer →Simple, transparent pricing
Try free for 15 days with no card required.
Billing Free Plan
All features included for counter billing & thermal printing.
- 200 bills per month included
- ₹0.30 per extra bill — set a monthly overage limit so there are no surprises
- Shows a small banner ad on dashboard pages only
- 1 owner login
- Thermal receipt printing (58mm and 80mm Bluetooth)
- WhatsApp PDF invoices
- Dynamic UPI QR on receipts
- Repeat last bill in one click
Billing Pro Plan
For shops with multiple bill counters and staff logins.
- Multiple staff logins & cashier controls
- Multi-device simultaneous printing
- Separate shift accounts & audit trails
- Priority setup support on WhatsApp
Screens
Stellar Forge Billing FAQ
Which printer do I need for the billing app?
A Bluetooth thermal printer. The app supports 58 mm and 80 mm paper via Thermer App. There is no other hardware to buy.
What is the price after the free plan?
The Free plan includes 200 bills per month. If you need more bills, the Basic Plan is 99/month (or 849/year) for 600 bills. If you require multiple staff logins or multi-counter billing, our Pro Plan starts from 199/month.
Can I send bills on WhatsApp?
Yes. After you save a bill you can send it to the customer as a PDF invoice on WhatsApp.
Does the receipt include a UPI QR code?
Yes. The receipt carries a UPI QR with the exact bill amount.
Is there a free plan?
Yes, Free plan with 200 bills per month and no card is needed to start.
Do I need to install software on a computer?
No. It runs in your phone browser and can be installed on the home screen like an app.