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Free to start · No card needed

Billing software for your shop. The bill goes on WhatsApp.

Make a GST bill in seconds. Send it to the customer on WhatsApp. Stock goes down on its own.

Phone or laptopBrowser or Android appReady in 10 minutes

Now on Google Play for Android phones.

Made for
Simple BillingClothing & ApparelFashion AccessoriesToys & GamesFast food corner

Four steps. That's the whole thing.

No training needed. If your staff can use a phone, they can bill.

  1. Set up your shop

    Add your items once. Or type them at the till.

  2. Add the item

    Scan the barcode or tap the item. Size, colour and weight are handled.

  3. Take the money

    Cash, UPI, card or udhaar. Stock updates on its own.

  4. Send the bill

    PDF invoice goes on WhatsApp. Print it too, if you want.

Everything a shop needs. Nothing extra.

Live stock

Every sale takes stock down. You get an alert before an item finishes.

GST invoice

Your GSTIN, tax, discount and a proper bill number on every PDF.

Bill on WhatsApp

One tap and the customer has the bill. No paper, no phone number typing.

Sales report

Revenue, bill count and your best-selling items for any date range.

Shareable bill link

Every bill gets its own link. The customer opens it on any phone — no app, no login.

Barcode billing

Scan with your phone or laptop camera. No extra hardware needed.

Udhaar khata

See who owes you. Take part payments. Nothing is missed.

Profit on every item

Add what you paid. See your profit for any date.

See every use case →

Simple plans for every shop. Start free.

Every new shop gets a 7-day free trial, with 17 WhatsApp e‑bills. No card needed.

  • Free

    Free

    For a new shop getting started. New shops begin with a 7-day free trial with 17 WhatsApp e‑bills.

    • Up to 20 customers
    • Up to 20 products
    • Up to 50 bills a month
    • Up to 17 WhatsApp e‑bills a month
    • Billing with PDF and GST invoices
    • Stock tracking
    • Sales analytics
    Start free
  • Business

    ₹499/month

    No limits, billed monthly.

    • Unlimited customers
    • Unlimited products
    • Unlimited bills
    • Unlimited WhatsApp e‑bills
    • Billing with PDF and GST invoices
    • Stock tracking
    • Sales analytics
    Start free
  • Best value

    Business Yearly

    ₹4,799/year

    No limits, billed yearly. Save 20%.

    • Unlimited customers
    • Unlimited products
    • Unlimited bills
    • Unlimited WhatsApp e‑bills
    • Billing with PDF and GST invoices
    • Stock tracking
    • Sales analytics
    Start free

Pay by UPI, card or netbanking. Refund policy

₹+30 daysfree on your plan
Refer & Earn

Refer a shop. Get 30 days of billing free.

Know other shop owners? Share your code. When 5 of them buy a plan, you get 30 days free.

  1. Share your linkSend your code to other shop owners.
  2. They buy a planThey sign up with it and pay for any plan.
  3. You get 30 daysAt 5 shops, 30 days are added to your plan.

One reward per shop. Your code is in the app after you sign up.

Get your code
Laptop and phone

Bill on your laptop. Bill on your phone.

One shop on both. Same stock, same bills.

  • Laptop or counter PCOpen it in any browser.
  • Android appGet it free on Google Play.
  • Always in stepA bill made on one shows on the other.
BillsTodayBill #1043Rice 5 kg, oil 1 L₹1,250Bill #1042Cotton kurta, jeans₹2,480Bill #1041Kids t-shirt ×2₹798Bill #1040Biscuits, tea₹185New billBill #1043Rice 5 kg1 × ₹450₹450Oil 1 L4 × ₹200₹800Subtotal₹1,250Total₹1,250Generate Bill

One shop. Every device. Even when the net drops.

Your whole team bills. Your records stay in one place.

  • 08:00 AM · Opening

    Every device, one shop

    Log in on the counter PC, a tablet or your phone. Same stock, same bills, everywhere. See every signed-in device, and sign any of them out.

    Multi-device

  • 11:00 AM · Rush hour

    Staff logins

    Give up to 10 staff their own login. They bill, keep stock and run the khata. Reports, your plan and settings stay with you. Every bill shows who made it.

    Staff access

  • 04:00 PM · Net down

    Bill without internet

    Internet down? The counter keeps billing. Each bill gets its own number. Print it on the spot. It syncs by itself when the connection is back. Sign in online once on that device first.

    Offline billing

Bill senton WhatsApp
For your shop

Billing software for every kind of shop.

Clothes, toys, food or a small counter. It fits your shop.

Sell something else? Simple Billing works for any shop.

Without Bill-O-Fast

  • Bills by hand. Totals on a calculator.
  • The paper bill gets lost.
  • Stock runs out without warning.
  • Udhaar lives in a notebook.
  • Profit is a guess.

With Bill-O-Fast

  • A GST bill in seconds. Totals done for you.
  • The bill reaches the customer on WhatsApp.
  • Stock goes down with each sale. You get an alert.
  • The khata shows who owes what.
  • See profit for any day, item by item.

Common questions

Do I need a computer?

No. A phone is enough. A laptop or tablet works the same way.

Do I have to install anything?

No. Open it in your browser and log in. Updates happen on their own. There's also an Android app on Google Play.

Is the bill GST valid?

Yes. Add your GSTIN and a default tax rate once in Settings — both print on every invoice from then on, along with a bill number that's already sequential.

Can I send the bill on WhatsApp?

Yes. One tap sends a PDF invoice to the customer's WhatsApp number.

Can I keep a khata for udhaar?

Yes. Mark a bill udhaar or part paid. The khata keeps count.

How many bills go on WhatsApp?

Free sends 17 a month, Starter 70. Business has no limit.

Can I pay for a plan online?

Yes. Pay by UPI, card or netbanking.

Does it work without internet?

Yes, for billing. Bills made offline sync on their own when you're back online. Sign in online once on that device first.

Can my staff have their own login?

Yes. Up to 10 staff, each with their own mobile number and password. They can't see your reports, plan or settings.

Bill your next customer on it

Set up your shop in about ten minutes.

No card needed. Cancel any time.