Billing, stock, factory and accounts — in one simple app
SMI Books makes GST bills in seconds, keeps stock right, tracks every delivery, runs production from your Bill of Materials and writes proper books — on your PC and your phone.
- GST invoices, challans, orders & 9 more documents
- Retail: fast counter billing & thermal receipts
- Distributors: delivery tracking & payment reminders
- Factories: BOM, production & real product cost
- Works offline · 2 to 11 devices in sync
Made for your business
Pick how you work — SMI Books fits it
One app, three ways of working. Every plan has billing, GST, stock and accounts; distribution and factory plans add what those businesses need.
Fast counter billing
Bill in seconds at the counter or on your phone — GST, UPI QR on the bill and a thermal receipt.
- Sale & purchase bills with GST
- Thermal 58 / 80 mm receipts
- Low-stock alerts & quick item search
- PC at the counter + owner's phone
Orders to delivery
Take orders, send goods on challans, track every delivery and collect on time with reminders.
- Sale orders, proforma, delivery challans
- Delivery tracking & transporters
- Payment reminders on WhatsApp
- Up to 10 devices together
Raw material to finished goods
Bill of Materials, production entries and the real cost of every product — with GST billing built in.
- Multi-level BOM, auto sub-assemblies
- Raw material, WIP & finished stock
- Labour & overhead in the cost
- Standard cost & variance (Factory)
Devices
From 2 to 11 devices on one book
The counter PC, the godown tablet, the salesman’s phone and the owner’s phone — all on the same book, live. Each plan sets how many work together.
See it work
Real screens, real work — not mock-ups
Short clips recorded from the app itself. Pick a feature to watch.
Pick the customer, type the item, enter the quantity — tax, totals and the next bill number are done for you.
Learn moreEvery sale, purchase, return, challan and production run moves stock, with a full history for each item.
Learn moreOpen the Bill of Materials, enter how many to make, and raw material, sub-assemblies and finished stock update together.
Learn moreProfit & loss, balance sheet and GST summary are always ready — posted in double entry from your bills.
Learn moreThe Android app is the full app: bill, collect, produce and check profit from anywhere, in sync with your PC.
Learn morePrint & share
Bills that look like your business
Four A4 layouts and 58 / 80 mm thermal receipts, in your colours, with your logo, bank details and UPI QR — or as a PDF on WhatsApp.
Everything included
All the tools a GST business needs
GST invoices
CGST + SGST or IGST from the State of Supply, HSN, GSTIN, round-off.
12 document types
Quotation to credit note, challan to purchase order — all linked.
Print templates
Four A4 layouts, your colours and logo, 58 / 80 mm thermal.
WhatsApp sharing
Send the bill PDF and payment reminders in one tap.
Live stock
Every bill and production run moves stock. FIFO or average cost.
Units & item codes
KG/GM, LTR/ML, pieces, boxes; find items by name or code.
Bill of Materials
Multi-level BOM with automatic sub-assemblies.
Production & costing
RM, WIP and FG accounts, overhead, standard cost and variance.
Delivery tracking
Challans move from pending to dispatched, in transit, delivered.
Payment reminders
Overdue parties, days overdue, WhatsApp / SMS reminders.
Double-entry books
Day book, ledgers, trial balance, P&L, balance sheet.
48 reports
Sales, GST, stock, ageing, party and item profit — export to Excel.
Cash & bank
Bank accounts with IFSC & UPI, cheques, fund transfers.
Real-time sync
Windows PC and Android phone — one book, even when offline.
Team & roles
Owner plus Admin, Accountant, Cashier and Sales Team — switch every screen and action on or off.
Backup & safety
Your data is private; back up to your own Google Drive.
Team & devices
Everyone in the same book, each with the right access
Sign in on the counter PC, the owner's phone and the accountant's laptop. Two people can bill at the same moment — both sales count, stock merges and bill numbers never repeat.
- Works offline, catches up when the internet returns
- Every person has their own login and role
- Scheduled backup to your own Google Drive
Team & roles
Give every staff member exactly the access they need
Each person signs in with their own email. You pick a role, then switch any screen or action on or off — and the limits are enforced on every device, not just hidden on screen.
Owner
Full control, always
The business owner. Cannot be restricted by anyone, and is the only one who can change what Admin may do.
Admin
Runs the business with you
Everything by default — billing, stock, books, settings, team. You can switch off any right.
Accountant
The books
Ledgers, payments, expenses, bank, GST and reports. No item catalogue, no team settings.
Cashier
The counter
Bills at the item's own rate and takes payment. Cannot edit or delete a saved bill, or see purchase cost.
Sales Team
Customers and sales
Sale invoices, customers and money received — without seeing purchase cost.
Permissions
A switch for every right
- Maximum discount % per bill, per role
- Hide purchase cost price from staff
- Stop edits or deletes of saved bills
- Activity log of who did what, on which device
Why switch
A register or Excel, compared with SMI Books
| Register / Excel | SMI Books | |
|---|---|---|
| GST | Worked out by hand, easy to get wrong | CGST, SGST or IGST applied from the State of Supply |
| Stock | Counted separately, rarely matches | Updated by every bill and production run |
| Manufacturing | Material used is a guess | BOM consumes raw material, values finished goods |
| Deliveries | Phone calls to the driver | Each challan tracked: dispatched, in transit, delivered |
| Accounts | Rebuilt by the CA at year end | Double-entry posted as you bill |
| On the phone | Photos of the register | Live data, synced across devices |
Pricing
Plans from ₹149 a month
Every plan has GST billing, stock, payments, accounts and reports. Choose by how you work and how many devices you use together.
Trading
Retail, Wholesale and Distribution plans — from counter billing to 10 devices with delivery tracking.
Compare trading plansManufacturing
Small unit and Factory plans — BOM, production, raw material stock, costing and dispatch.
Compare factory plans30-day free trial
Every feature, every plan, free for 30 days for every new business. No card, no UPI, no payment needed to start.
Start freeGet started
Up and running in three steps
- InstallDownload for your Windows PC, or get it on your Android phone.
- Create your businessSign up, verify your email, add your business name, GSTIN and logo.
- Make your first billAdd parties and items as you bill. Sign in on your other devices — they sync.
Questions
Frequently asked questions
What is SMI Books?
SMI Books is GST billing, inventory, manufacturing (Bill of Materials) and double-entry accounting software for Indian shops, wholesalers, distributors and factories. It runs on Windows PCs and Android phones, works offline, and keeps every device of a business in sync.
Does SMI Books work without internet?
Yes. Billing, stock, production and reports all work offline. Whatever you save uploads by itself when the internet is back, and your other devices catch up.
Can I use it on my PC and my phone together?
Yes. Sign in with the same account on every device. How many devices can work together depends on your plan — from 2 on Retail to 11 on Factory.
How much does SMI Books cost?
Plans start at ₹149 a month plus 18% GST for a retail shop and go up to ₹599 a month for a full factory. Yearly plans save about 8%. Every new business gets a 30-day free trial of all features.
Does SMI Books support Bill of Materials and multi-level BOM?
Yes, on the manufacturing plans. Each product can have a BOM with materials, labour and overhead. During a production run any sub-assembly that is short is produced first automatically, then raw material is consumed and finished goods are added to stock.
Can my staff use SMI Books with limited access?
Yes. Invite each person by email and give them a role — Admin, Accountant, Cashier or Sales Team. In Settings › Permissions you switch every screen and action on or off for each role, set a maximum discount per bill, and hide purchase cost. The Owner always keeps full control, and the limits hold on every device — enforced, not just hidden on screen.
Start today
Run your whole business from one book — free for 30 days
Install on your Windows PC and your Android phone, sign in once, and bill, stock, produce and account from anywhere. No card, no UPI, no payment needed.