BillBabu App: the GST billing app for your shop
For shops, wholesalers, distributors, manufacturers and service businesses. Make GST bills and quotations on your phone, share the PDF on WhatsApp, and keep stock, party dues and reports in one place. Android app and web, with one login.

What you get
Bills, quotations, stock and udhaar in one app
Bills, quotations, stock, party dues and reports in one app, so you are not juggling a bill book and a notebook.
GST bills with HSN codes
Pick a saved item and its price, HSN code and GST rate fill in. The GST is split into CGST + SGST or IGST from the customer's state, and the PDF is ready to share on WhatsApp.
Quotations and estimates
Make a quotation the same way you make a bill and send it as a PDF. On the web app an accepted estimate becomes an invoice in one click.
Stock goes down as you bill
Stock goes down when you bill and up when you record a purchase bill. Items running low are marked Low Stock.
Know who owes you
A ledger for every customer and supplier: every bill, every payment and what is still due. Record payments by cash, UPI, cheque, card or bank.
Sales and purchase reports as PDF
Sales, purchase and monthly GST reports, ready to share with your CA as a PDF.
Use it in your language
The app works in Hindi, Marathi, Tamil, Telugu, Kannada or English. Bills print in English.
Phone and computer, one login
Bill from the counter, the godown or the road on the Android app, and open the same account on the web app.
Saved to your account
Bills are saved to your account over an encrypted connection, not only on the phone. Sign in on a new phone and they are there.
Simple setup
Make your first GST bill in 4 steps
Create your account
Sign in with your mobile number and an OTP. It is free to start, with no card.
Set up your business
Add your business name, GSTIN, and upload your logo to customize your invoice branding.
Add products & parties
Add your items, HSN codes, and customer details. Reuse them on every future bill automatically.
Make your GST bill
Pick the customer and items, save the bill, and share the PDF on WhatsApp or print it.

GST and HSN
GST bills with HSN codes
and the right tax
Pick an item and its HSN code and GST rate fill in by themselves. BillBabu App adds the GST and the total, splits the GST into CGST + SGST or IGST from the place of supply, and checks the GSTIN format when you add a party. The PDF is ready to share on WhatsApp as soon as you save.
- CGST + SGST for same-state sales, IGST for other-state sales
- GSTIN format check on every party
- HSN and SAC codes on items
- Share the PDF on WhatsApp or email
Free GST tools and formats
Need one bill, one quotation or a quick tax check? Use these in your browser, free. All of them are on the free GST tools page.
Online bill maker
Make one GST bill in your browser and print it or save it as a PDF. Free, no sign-up.
Free quotation maker
Make a quotation with GST, a valid-until date and your terms, then save it as a PDF.
GST calculator
Work out CGST + SGST or IGST on any amount at the current 5%, 18% and 40% rates.
GST bill format
Every field a GST bill must show, a filled example, and free Excel, Word and PDF formats.
Run a kirana or general store? See the billing app for kirana stores. Switching apps? See BillBabu App as a Vyapar alternative or a myBillBook alternative. हिंदी में देखें
Guides for traders
Plain answers to the GST, billing and payment questions shop owners and traders ask.
- Invoicing
B2B invoice format under GST
What a bill to a registered buyer must show, so the buyer can claim ITC.
- Invoicing
Bill to one party, ship to another
Which state decides IGST or CGST + SGST, and what the bill must show.
- Invoicing
Original, duplicate and triplicate copies
Which copy of a GST bill goes to the buyer, the transporter and you.
- GST
Wrong GSTIN on a bill?
How to fix it before and after you file GSTR-1.
- GST
CGST, SGST or IGST?
Which tax goes on your bill for a sale inside your state or to another state.
- GST
GST rates after GST 2.0
The 5%, 18% and 40% slabs and 0% items, with a list of common goods.
- Payments
UPI charges for merchants
What MDR is, which UPI payments stay free for a shop, and the no-surcharge rule.
- Exports
GST on exports
Zero-rated supply, the LUT, the export invoice and the shipping bill.
More on GST bills, quotations, stock and payments on the BillBabu App blog.
FAQ
Questions shop owners ask
BillBabu App is a GST billing app for Indian shops and small businesses. You can make GST invoices, estimates and purchase bills, keep stock, record payments from your parties and see sales and GST reports.
You can start free, with no payment and no card: your first GST bills cost nothing. For unlimited bills you need BillBabu App Pro, monthly or yearly. In the Android app you buy Pro through Google Play, where new users may be offered an intro price first; Pro renews until you cancel, and you can cancel anytime in Google Play. The bills you already made stay in your account. There is no free-forever plan.
Current plan prices are on the pricing page at billbabu.com/pricing: Pro monthly or yearly (in the Android app they renew through Google Play until you cancel), and Lifetime with one payment. The price shown in the app when you buy is the price you pay.
No. If you can use a smartphone you can use BillBabu App: sign in with your mobile number, add your business name, pick a customer and items, and the bill is ready.
The account supports more than one business, each with its own parties, items and bills. Switching between businesses in the mobile app is coming.
BillBabu App is an Android app on Google Play, and it also works in a web browser on a laptop or desktop with the same login. There is no iPhone app yet.
Write to [email protected] or send a message from the contact page on billbabu.com.