GST billing app for Indian businesses
Billing, stock & accounts that work without internet
FinBill makes GST bills in seconds, keeps your stock and khata up to date, and gets your GST returns ready, right from your phone. In English, Hindi and Hinglish.
- Offline-first, syncs across phones
- GSTR-1, GSTR-3B & e-way bill
- AI reads supplier bills
- Tally-style reports
New sale
Bill #INV-0241
Basmati Rice 5 kg
2 × ₹640 · GST 5%
₹1,344.00
Sunflower Oil 1 L
6 × ₹155 · GST 5%
₹976.50
Detergent 1 kg
3 × ₹210 · GST 18%
₹743.40
Tea 500 g
2 × ₹260 · GST 5%
₹546.00
Everything in one app
Run your whole shop from your phone
No more bill books, separate stock registers or waiting to reach the computer. FinBill keeps it all together.
GST bills in seconds
Scan a barcode or tap a quick item. CGST, SGST or IGST is worked out from the party’s state.
Works without internet
Every bill, payment and stock entry is saved on the phone first and syncs when you are back online.
Stock that moves itself
Sales and purchases update stock. See it by category or GST rate, with low-stock alerts.
Tally-style accounts
Ledgers, day book, balance sheet and profit & loss in the Dr/Cr format your CA knows.
GST returns ready
GSTR-1 JSON for the portal, GSTR-3B summary and bulk e-way bill JSON from your own bills.
Print the way you like
Tally and Marg style A4, A5 and 58/80 mm thermal designs, or share a PDF on WhatsApp.
Start in 5 minutes
Three steps to your first bill
Add your business
Enter your shop name and GSTIN. FinBill fills in your state and sets up your ledgers.
Add items and parties
Type them in, or scan a supplier bill and let FinBill AI create the items for you.
Start billing
Make bills, take payments and watch stock and accounts update by themselves.
FinBill AI
Speak the order in Hindi or English
- • Sugar · 2 kg · ₹90
- • Tata Salt 1 kg · 1 · ₹28
- • Parle-G · 5 · ₹50
Total ₹168 · Check and save
FinBill AI
Speak it, snap it, done
Let AI do the typing. Photograph a supplier’s bill and FinBill fills the purchase, creates new items and updates stock. Speak an order to get a ready bill.
- Scan bill: purchase bills read from a photo, items created automatically
- Voice bill: say the order in Hindi or English, check the draft and save
- Ask AI: “What did I sell most this week?” answered from your own data
100% offline billing
Bill in a basement, a godown or a village market.
Sync across phones
Owner, staff and accountant see the same books.
English, हिंदी, Hinglish
Use the language your staff is comfortable with.
PIN lock & backups
Encrypted in transit, export a backup any time.
FAQ
Questions shop owners ask us
Does FinBill really work without internet?+
Yes. Bills, receipts, purchases and stock are saved on your phone first. When the phone is online again, everything syncs to your other phones and to the cloud.
Can I file GST with it?+
FinBill prepares GSTR-1 as a JSON file you upload on the GST portal (monthly or quarterly with IFF), plus Excel and PDF copies, a GSTR-3B summary and bulk e-way bill JSON. Check the figures with your CA before filing.
Can more than one person use it?+
Yes. Add your team with roles (owner, admin, manager, accountant or staff) so each person sees only what they need. All phones stay in sync.
Is it available in Hindi?+
Yes. FinBill works in English, Hindi and Hinglish, and you can switch any time in Settings.
Is my data safe?+
Data travels over HTTPS, sign-in is kept in the phone’s secure storage and you can lock the app with a PIN. You can export a full backup file any time.
Make your first GST bill today
Set up your shop in five minutes. Your bills keep working even when the internet does not.