Intelligence in Every Calculation
Calcuin redefined financial workflows with enterprise-grade accuracy, high-speed, and a stunning interface built for modern business. Inventory manage in just Four Click.
Financially strong with Calcuin
Who is Calcuin Built For?
From billing to complex inventory management, Calcuin is precisely designed to adapt to your industry.
Active Users & Business Counters
Retail & Wholesale
High-speed billing and smart inventory control. Built to scale your everyday sales.
Distributors & Suppliers
Streamline supply chains, track bulk orders, and manage ledgers effortlessly.
Jewelry & Luxury
Pinpoint accuracy, multi-unit tracking, and seamless tax compliance.
Schools & Institutes
Automated fee collections and transparent financial reporting.
Ultra-Fast High-Speed Billing
Engineered to cut checkout queues by 80%. Complete transactions in seconds with intelligent auto-suggest, zero mouse dependency, and immediate multi-Biller distribution.
1. Fast Billing & Smart Suggest
Complete tasks that usually take minutes in just a few seconds. Smart item suggestions predict catalog items as you type initials, auto-populating rates, tax bands, and batches instantly.
Instant Smart Lookup
Type "PCM" ➔ Suggests "Paracetamol 650mg" + Batch #09
2. Multiple Billers
Toggle on-the-fly between three tailored interfaces based on counter rush and operational complexity:
3. Loan & EMI Quotation
Generate printable, high-trust client quotations that break down monthly EMI schedules, down-payment thresholds, and total interest transparently.
4. Zero-Training UI
Clean, modern ergonomics crafted for retail speed. New operators, seasonal staff, or cashiers master the Calcuin on day one without technical handbooks.
5. Lightning Customer Info.
Instant customer lookup by phone number, automated
6. Save & Share
Save the bill, print it, export it as a PDF, and share it with your customers via WhatsApp or save it to drafts and open the draft— with a single click.
7. 100% No-Mouse Billing
Designed for blazing keyboard warriors. Add items, apply discount percentages, switch tax schemes, split tenders, and print without lifting a hand to the mouse.
8. Split & Credit Ledger
Seamlessly capture partial deposits, multi-mode payments (Cash + UPI), and push residual debt directly into customer khata ledger with payment terms.
9. Voice Alert System
Clear voice alerts notify the cashier when the quantity of an item falls below a safe threshold or when an item is nearing expiry or has already expired, thereby preventing stockouts.
10. 4 Global & Regional Languages
Use English, Hindi, Spanish, and Japanese. Take your business global by creating invoices in your customers' languages and connecting with them in their own language.
High-Precision Inventory Management
Turn chaotic shelves into orchestrated fulfillment. Never lose an expiring batch, never manually hunt for shelf coordinates, and eliminate dead stock.
1. Proactive Low Stock Alerts
Dynamic threshold monitoring that triggers automatic re-order purchase orders before items hit zero, guarding against lost walk-in sales.
2. Smart Item Ingestion
Import 10,000+ SKU master files via Excel/CSV in under 3 seconds. Pre-loaded master industry databases auto-detect, HSN codes, and tax rates.
3. Expiry Warning Matrix
Receive alerts 30, 60, and 90 days in advance. Voice prompts and highlighted discount badges alert staff to prioritize clearance sales or vendor return credit notes. Get notified via voice alerts. Sell items at a discount or return them before they expire; this minimizes losses and keeps customers happy with lower prices, while also protecting you from financial loss.
4. Advance Biller Rack Lookup
Eliminate warehouse hunting. As soon as an item is rung up on the Advance Biller, Calcuin highlights exact coordinates: Rack B4, Shelf 02, Row 3. Enables lightning-fast picking even for brand new warehouse runners.
5. Rapid Inline Quick Edit
Perform quick inline edits. Use keyboard hotkeys to directly modify MRP, expiry dates, tax percentages, rack numbers, stock levels, and batch details in the sales grid. This ensures smooth business operations and minimizes item-related errors.
Unified Real-Time Ledger
Zero-click transparency across all outstanding customer debts, vendor credits, and collection trails with interactive instant bill popovers.
1. Zero-Click Balance Tracking
Every invoice settlement instantly updates customer credit ledgers, interest accruals, and supplier payables with zero end-of-day batch processing delay. See everything at a glance, without needing to click anywhere. This allows you to track business funds and quickly determine exactly where your money is and how much is involved.
2. Deep Search & Multi-Parameter Filters
Search by applying filters based on your requirements and view the results; this minimizes the scope for error.
3. Instant Hover Invoice Popover
Never load another full screen just to verify an item. Gliding the cursor over any voucher row instantly surfaces an interactive micro-invoice summary card.
4. Granular Receipt History
Record outstanding bill payments; as you collect amounts from customers, the balance decreases, allowing you to easily track how much is still due and how much has been received. In the history section, you can easily view the date and time a payment was received for a specific bill.
5. Non-Destructive Quick Adjustments
Right-clicking or long-pressing on a bill reveals further options that streamline your workflow. For instance, depending on the bill type, you can reopen the bill to add more items or collect payment. This means that if a customer asks to add an item to an existing bill, you don't have to create a new one. instead of managing two separate bills, you only need to handle a single bill.
Apex Pharma Distributors
INV-2025-0982
14 Feb 2025 • 4 Items
₹12,450.00
PAIDINV-2025-1044
18 Feb 2025 • 8 Items
₹28,100.00
DUE IN 4 DAYSREC-2025-0411
22 Feb 2025 • Cheque Clear
- ₹15,000.00
HDFC BANK REF #89Dashboard & Predictive Analytics
Gain complete visibility over sales trajectories, GST reports , anti-theft operator tracking, and AI-driven restock alerts.
1. Multi-Timeframe Sales Trends
2. Customer Overdue Aging
A list is displayed showing which customers have outstanding payments and since when. you can alert the user by sending a warning message to any customer with an overdue balance. If the customer makes a payment, the amount can be collected by marking it as 'Paid' directly from that screen.
Metro Health Care
₹18,500 • 34 Days Overdue
3. Stock Velocity Breakdown
You will receive information that helps identify which items are selling the fastest—allowing you to restock them before they run out—and which items are slow-moving, so they can be cleared out at a lower price or before their expiry date. You will also see a list of items with low stock, as well as those nearing or past their expiry date, helping to minimize potential losses.
4. 1-Click GST Filing Export
Simply select the date range for the GST report and export it to Excel. There is no need for multiple clicks. the task is completed in just a few clicks.
5. Anti-Fraud & Master Lock
Enforce Master Owner PIN approval for bill deletion, item returns, or rate modifications. A password system for business owners designed to prevent fraud; it ensures you are alerted if a staff member attempts any unauthorized or underhanded actions, thereby helping to minimize fraud and protect the business from financial loss.
6. Smart Business Intelligence
Certain steps are provided to help you run your business smartly, ensuring there are no oversights or errors in payment collection. Recommendations are offered to ensure smooth operations and timely management of stock and funds, enabling your business to reach new heights of success.
Backup, Regional Voice & Device Pairing
Never risk losing data due to system failure caused by technical issues; sync all your data to other devices in just a few seconds.
1. Instant Backup & PIN Lock
This highly advanced backup system allows you to store all your business data directly on your device. It offers options for both daily scheduled backups and instant backups.
2. Regional Voice Synthesizer
Choose voice engine personalities. There are various voice options for hearing the alerts in your preferred language, which you can change and check according to your convenience.
3. Device Pairing via ID
If you are using Calcuin on multiple devices for your business and wish to keep them synchronized, you can generate an account ID and use it to pair the devices.
Same Additional Features (Tools Suite)
Zero need to switch applications or pull out physical notebooks. Calculators and interactive drawing scratchpads right inside Calcuin.
1. Built-in Quick Calculator
To perform calculations directly within Calcuin without opening any external app.
2. Unlimited Interest Calculator
Calculate late fee interest or informal customer financing across custom day counts, monthly compounding, and multi-year repayment cycles.
3. Illustration Note & Canvas
Interactive visual scratchpad for demonstrating complex breakdown calculations directly to in-person customers with color palette picker, eraser, and save options.
Ready to experience the next evolution in accounting?
Join thousands of high-velocity retailers, wholesale traders, and enterprises running Calcuin.
Enterprise Facilities Engineered for Flawless Speed
Built for high-velocity counters and mission-critical accounting. Experience millisecond execution, multi-biller support, and freedom of control.
Native Apps Feel
Experience a lag-free native app environment featuring custom titles and sidebars, native OS window/Android controls, and raw hardware speed independent of browser overhead.
Advanced Exporting
Seamlessly export data to professional PDF or Excel formats with one-click, tax report, and instant ledger dispatching.
Multi-Theme Support
Sophisticated Light/Dark mode switcher adapts to your workspace environment, counter lighting conditions, and night-shift ergonomics.
Global Shortcuts
Accelerate your workflow with comprehensive keyboard mapping across billing entries, quick inventory searches, and instant print commands.
Frequently Asked Questions
Everything you need to know about the product and billing.
Calcuin is a versatile tool built for a wide range of professionals, including:
- Moneylenders & Finance Firms: Use the Interest Calculator for complex compounding and day-wise deductions.
- Wholesalers & Distributors: Utilize the Advance Biller for unlimited rows and customizable columns.
- Retail Shopkeepers: Manage daily sales with the Manual Biller and secure transactions with Signature Verification.
- Service Providers: Automate recurring invoices with the Auto Biller.
- Accountants & Consultants: Use Illustration Notes to explain complex financial structures to clients visually.
- Small Business Owners (SMEs): Manage your entire credit history (Udhaar) using the CRM Ledger.
Pick the Engine for Your Counter & Pocket
High-velocity retail accounting built for lightning-quick checkouts, zero internet dependence, and automatic tax clarity.
Mobile Plan
Lightweight field & handheld billing for roaming shop floors
- Settings
Full varsion
Full app access, it is loaded with all features.
- wifi_off
100% Offline-First Core
Bill customer lines without dropped internet stops.
- description
Business Health Report
Check how the business is doing.
- send
WhatsApp Digital Receipts
Paperless 1-tap customer receipts direct to buyer chats.
- database
Bussiness Data
Right on your own device
- qr_code_2
Dynamic QR Code
Non-editable QR code for the payable amount
- security
End-to-End Encryption
Encrypt your data according to your preference.
Android 9.0+ • Instant License
Mobile + Desktop
High-throughput counter point + owner's roaming mobile control
- Check
All Features
All features of the mobile app and desktop app.
- done
Unlimited Invoice
Generate unlimited invoices without any restrictions.
- sync
Dual Device Real-Time Sync
Active Account ID & Sync Your Data
- speed
NO- Visiting, No-Travling
Check without visiting the business location.
- monitoring
Account & Live Business Pulse
Automatic debt reminders, customer balances & profit margin graphs.
- warning
Warning Notifications
Invoice, Collect Amount, Etc.
- person
Control
Control one device from another.
Includes Counter Terminal + Pocket App
Desktop Plan
High-speed keyboard engineered for busy supermarket lanes
- settings
Full Varsion
Full app access, it is loaded with all features.
- wifi_off
100% Offline-First Core
Bill customer lines without dropped internet stops.
- description
Business Health Report
Check how the business is doing.
- send
WhatsApp Digital Receipts
Paperless 1-tap customer receipts direct to buyer chats.
- database
Bussiness Data
Right on your own device
- qr_code_2
Dynamic QR Code
Non-editable QR code for the payable amount
- security
End-to-End Encryption
Encrypt your data according to your preference.
Windows 7, 10, 11 • Offline Native
Trusted by 1200000+ Retailers across all indian states