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GST Billing Software for Invoicing and GST Compliance

Refrens is a complete GST billing software that takes you from invoice to annual filing in one place. Create GST invoices, e-invoices, and e-way bills. Generate GSTR-1, GSTR-3B, GSTR-9C, and reconcile GSTR-2B to claim every rupee of ITC. One GST invoicing software built for billing and full compliance together.

Easy to setup with full customer support.
GST Billing Software Dashboard with CGST SGST GSTR-1 and GSTR3B Bank Reconciliation
3,00,000+ Businesses Trust Us 4.8/5 · 17,000+ verified reviews Made in India ISO/IEC 27001:2022 certified


Everything You Need in One GST Billing and Invoicing Software

From invoicing to filing, reconciliation to getting paid, Refrens covers every step of GST so you bill faster, file on time, and claim full input tax credit.

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GST Invoicing with Automatic GSTIN Verification

Create GST-compliant invoices with CGST, SGST, and IGST auto-calculated by place of supply, and verify any client or vendor GSTIN in seconds before you bill. Every invoice auto-includes all mandatory GST fields under Rule 46.

  • Auto CGST, SGST, and IGST based on place of supply
  • HSN and SAC support with GST rate auto-fill
  • Auto GSTIN verification: status, legal name, and address
  • All Rule 46 mandatory fields with compliant 16-character numbering
  • GST and non-GST invoices, quotations, and credit notes
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e-Invoicing and e-Way Bill Generation

Generate e-invoices with IRN and QR codes and raise e-way bills for goods movement in one click, without switching to a separate portal.

  • e-Invoice with IRN and QR from the GSTN portal
  • One-click e-way bill from any invoice
  • Bulk e-invoice generation
  • Cancel and amend e-invoices and e-way bills instantly
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GSTR Reports and Filing, Notice-Free

Generate filing-ready GSTR-1, GSTR-3B, and annual GSTR-9 straight from your data, reconcile GSTR-2B, and export in the format your filing or CA needs. Catch errors before they become notices.

  • GSTR-1, GSTR-3B, and annual GSTR-9
  • GSTR-2B reconciliation with match, partial, and missing flags
  • Export as JSON, CSV, or PDF
  • Validation report to fix errors before filing
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RCM Handling and Full Input Tax Credit

Record reverse-charge liability correctly and claim every rupee of ITC you are owed, with vendor checks so your credit only rests on compliant suppliers.

  • RCM entry support with self-invoice and payment voucher
  • ITC tracking so you know exactly what to claim
  • ITC matched to reconciled GSTR-2B data
  • Vendor verification: GST status, PAN, and bank details
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Accept Payments, Send Reminders, Share Anywhere

Add UPI and payment links to every invoice from the same invoicing software, let Refrens chase dues automatically, and share documents the way your client prefers.

  • UPI QR code and payment links on every invoice
  • Automatic reminders on WhatsApp, email, and SMS
  • Track payments across bank, UPI, cards, and wallets
  • Share via WhatsApp, email, PDF, print, or secure link
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Inventory and Stock Management

For businesses that deal in goods, Refrens' inventory software syncs with every invoice, so stock updates as you bill and you never oversell.

  • Real-time stock deduction on invoice creation
  • Batch and serial number tracking
  • Low-stock alerts and reorder triggers
  • Product profitability by buy versus sell price
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Expense Tracking and Payables

Record every business expense and vendor bill with built-in expense tracking, track what is paid and what is due, and keep your purchase side ready for ITC and filing.

  • Record expenses and vendor bills in one place
  • Paid, unpaid, and due tracking with ageing
  • Link expenses to purchase invoices for ITC
  • Vendor and payment reports for your CA
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AI OCR for Invoices and Expenses

Upload a bill or receipt and Refrens reads it automatically, pre-filling the fields so you skip manual data entry.

  • Auto-read invoice and expense PDFs
  • Fields pre-filled: party, amount, tax, and date
  • Bulk scanning for stacks of receipts
  • Fewer errors from manual entry
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Manage Multiple GSTINs, Branches, and Businesses

Run every GSTIN, branch, location, and business entity from one login. Each keeps its own invoices, GSTR reports, and books, with no switching between accounts.

  • Multiple GSTINs for multi-state registrations
  • Separate GSTR-1, GSTR-3B, and ledgers per GSTIN
  • Branch and location-wise billing and reporting
  • Switch between businesses without logging out

Why Choose Refrens GST Billing Software?

Everything that makes GST billing and accounting faster, safer, and simpler for Indian businesses.

Fully GST Compliant

Every invoice, e-invoice, and return follows the latest GST rules.

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Safe and Secure

ISO-certified with bank-grade encryption on all your data.

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Access from Anywhere

Your billing and books open on any device, anytime.

Easy and Fast Invoicing and Accounting

Create GST invoices and update your books in seconds.

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No Learning Curve

Simple enough to use without any accounting knowledge.

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24x7 Free Support

Reach a real person on call, chat, email, and WhatsApp.

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No Headache of Backup

Your data is saved and backed up automatically.

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AI Accounting Assistant

Ask your books questions and get answers instantly.

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Automated Workflows

Recurring invoices, reminders, and entries run on their own.

Trusted by GST Businesses Across India

Verified reviews from Capterra, Techjockey, Trustpilot, G2, and the App Store.

"You can generate professional, GST-compliant invoices in under a minute and share them instantly via WhatsApp or email."

Techsync Innovations Pvt LtdApp Store

"GST-compliant templates, customisable branding, warehouse management, and multi-currency billing. A perfect all-in-one solution."

Hemanth Abhiram SomarajuCEO, Suchana SpaceExpo · Capterra

"Easy to use. It helps make bills and quotations, duplicate bills, and find HSN numbers, and many more integrations."

DhairyaCEO and Co-founder, Hostingsignal · Capterra

"Export your GSTR-1 and GSTR-3B data in seconds, making your CA's job and your life much easier."

MohanFounder, Accounting Firm · Techjockey

"We use Refrens for our monthly GST billing. Preparing quotations and invoices is easy, and tracking each invoice's due date is very simple."

SanketVP Business Development, Computer Software · Capterra

"We use Refrens for GST invoicing and it is very easy. The chat support is handy, and they tailored a customised plan for my workflow."

DebadriWholesale Business · Capterra

"The GST support, customizable templates, and client management are particularly useful, and being cloud-based our team can access data from anywhere."

NitinCEO, Marketing and Advertising · Capterra

"Refrens has made invoicing a breeze, and even filing year-end returns is so much easier now."

Behnaaz EngineerTrustpilot

From GST Invoicing to Fully Compliant Cloud Accounting

Refrens does not stop at GST invoicing. Every invoice, bill, and payment flows straight into your books, so the same tool that bills your clients keeps your accounts audit-ready. What starts as a GST invoice becomes a full set of compliant, real-time financials with no double entry.

  • Automatic double-entry bookkeeping on every invoice, bill, and receipt
  • P&L, Balance Sheet, Trial Balance, and Cash Flow, always current
  • Bank reconciliation with auto-match
  • GST returns and GSTR-2B reconciliation built from the same data
  • CFO-level answers from the AI accounting agent
Explore Refrens cloud accounting →

GST billing software with automated e-invoicing and bookkeeping

Comprehensive Document Management
Comprehensive Documents CreationEffortlessly generate GST/Non-GST Invoices, Proforma Invoices, Quotations, Estimates, E-Invoices, E-Way Bills, Credit Notes, Sales Orders, Delivery Notes, Payment Receipts, and more.
Custom Customisation for Documents
Complete Customization Fully customize the appearance and layout of documents to align with your business requirements and brand identity. Tailor document fields, columns, formulas, templates, fonts, colors, scripts, and more for a truly unique look.
Document Sharing
Flexible Sharing OptionsConnect with your email and WhatsApp to send documents directly from Refrens. Alternatively, take printouts, download PDFs, or get shareable online links to suit your clients preferences.
Multi Currency Support
Multi-Currency SupportCreate documents in multiple currencies, making it ideal for businesses that serve international clients.
Recurring Invoices
Recurring InvoicesAutomatically generate, save, and share recurring invoices at your desired intervals, ensuring consistent billing without manual effort.
Auto Fetch GST
Automated GST VerificationInstantly verify client GST details such as GST Number, GST Status, Legal Name, Tax Type, Business Address, and PIN with our integrated GST Lookup feature, saving time and ensuring accuracy.
Automated bookkeeping for inventory accounting
Audit Trails (Receivables)Maintain a detailed record of who modified an invoice, when, and how, ensuring full transparency with audit trails.
Payment Integration
Record & Track PaymentsInclude bank details, UPI IDs, QR codes, and payment links directly on invoices to make client payments seamless. Track transactions across banks, UPI, cards, and wallets, and monitor all invoices paid, unpaid, or partially paid for complete financial control.
Payment Gateway IntegrationCollect domestic and international payments directly from your invoices with Payment Gateway Integration. Get better rates on transaction charges.
Payment Reminder
Automated Payment RemindersReceive payments faster with automated reminders sent via WhatsApp or email at scheduled intervals.
Auto-Generate Payment ReceiptsAutomatically create payment receipts whenever a payment or advance is recorded. Easily download and share these receipts with clients in just a few clicks.
Payment Integration
Average Payment Time TrackingAutomatically monitor the average payment time of all clients to assess creditworthiness, reduce late payments, and effectively manage cash flow.
Early Payment DiscountsIncentivize clients to pay ahead of schedule by offering early payment discounts, boosting timely collections and improving your cash flow.
Comprehensive Document Management
1-click Document AcceptanceAllow clients to accept/reject documents instantly with a single click via secure email-based verifications, expediting your approval process.
Multiple business & users
Internal Approval WorkflowsCreate custom approval workflows, add documents in dedicated workflows, collaborate with your team with pre-defined roles & permissions, track and manage approvals/rejections across stages.
Easy Quotations to Invoice Conversion
1-Click Document ConversionsConvert one document to another in just a single click, reducing manual work and saving time. E.g., convert an Invoice into a Purchase Order, Delivery Challan, Credit Note, or Debit Note in 1 click.
Accounting Management
Automated AccountingAutomatically update journal entries in the respective ledgers every time you generate an invoice, streamlining your accounting processes.
Track inventory by batch or serial number
Automated Inventory Updates Automatically update or block stock levels whenever you create invoices, Proformas, and other accounting documents, maintaining accurate inventory records.
QR code invoices
Add QR CodesAdd QR codes to your invoices and accounting documents to display essential information like document numbers, due dates, total amounts, and more when scanned.
E-way Bill Software for Retail Business
Automate E-Invoicing and E-Way BillingGenerate, download, share, and cancel E-invoices and E-way Bills directly from Refrens. Generate E-invoices in bulk. Automate the e-invoicing process with our Invoice APIs.
Invoice Number Automation
AI Accounting Assistant Get CFO level insights into your business finances in seconds with an always-on, multi-lingual and voice-assisted AI accounting agent.
Automated bookkeeping for inventory accounting
Receivable ReportsStay informed about your receivables with comprehensive reports, including Client Reports, Ageing Reports, Tax Reports, GSTR-1 Reports, TDS Reports, HSN Reports, Payment Reports, and more.
Profitability TrackingMonitor average buying and selling prices, product profitability, and project net income with auto-generated reports.
Multiple business & users
Invoice APIs & IntegrationsAutomate your invoicing processes for your website, app, Shopify store, and third-party platforms using our Invoice APIs, Shopify App, and Pabbly Connect Integration.
Bulk upload and manage stocks easily
Bulk Uploads & ExportsEasily create multiple documents at once by uploading them in an Excel file, saving time and effort. Quickly export all invoices using our bulk PDF and CSV export options to easily share with your finance & accounting team.
Easier collaboration
Team & CA CollaborationAdd multiple users with customizable roles and permissions to streamline collaboration while controlling access to your Refrens account.
RFI (Request For Invoice) LinkCreate custom RFI links and share them with Vendors to ensure a unified Invoice format and reduce unnecessary back-and-forths.
Accounting Management
Automated BookkeepingAutomatically create ledgers, update vouchers, and pass journal entries every time you create an invoice, record a purchase/expense, or record a payment.
Automated bookkeeping for inventory accounting
Double-Entry Accounting SystemImplement a robust double-entry system to enhance accuracy and provide a clear financial picture.
Track inventory by batch or serial number
Manual Journal EntriesPass manual journal and voucher entries to record all your financial transactions.
Payment Integration
Comprehensive Financial ReportsCreate detailed financial statements, including trial balance reports, Balance sheets, Income statements, P&L statements, daybook reports, cash flow statements, etc.
Multiple business & users
Bank ReconciliationAutomatically reconcile bank statements with internal records to ensure accuracy and identify discrepancies.
Accounting Management
Customizable Chart of AccountsTailor the chart of accounts to fit the specific needs of your business, allowing for better tracking of financial data.
Invoice Number Automation
Audit Trails (Accounting)Maintain a complete audit trail of all transactions for transparency and accountability. Track how, by whom, and when a document was modified.
Cloud-based inventory access anywhere
Cloud-Based BillingCreate and manage invoices anytime, anywhere with secure cloud access. Enjoy real-time updates, automatic backups, and seamless team collaboration.
Comprehensive Document Management
Taxation & Compliance (Accounting)Create E-invoices & E-way Bills, generate GSTR-1, GSTR-2B, & GSTR-3B Reports, and automate GSTR-2B reconciliation.

Who is Refrens GST Billing Software for?

Built for GST-registered service, IT companies, and finished-goods businesses across India.

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Professional Service Industries

Law firms, CA and accounting firms, architects, and other practices. Raise GST invoices and receipt vouchers for advances, apply service GST automatically, and give your CA direct access to ledgers and GSTR filing.

Billing Software for Professional Services

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IT, Software, and Technology Services

SaaS, cybersecurity, analytics, and R&D companies. Bill overseas clients with zero-rated, LUT, Bond, or IGST export invoices in any currency, run recurring and retainer billing, and keep your books GST-compliant.

Accounting Software for Internet Companies

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Agencies and Consultancies

Marketing, design, advertising, and consulting firms. Recurring invoices, project-wise profitability, multi-currency billing, and automated payment reminders, with GST handled end to end.

Invoice Software for Consultants

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Wholesalers, Traders, and Distributors

Finished-goods businesses that move volume. GST billing with live inventory, one-click e-way bills, party-wise ledgers, GSTR-1 auto-population, and ITC reconciliation.

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SMEs and Startups

Growing, GST-registered businesses. From your first GST return to audit-ready books, add GST filing as your turnover requires and scale without switching tools.

Accounting Software for Startups
Accounting Software for Small Business

Frequently Asked Questions (FAQ)

Refrens is the best GST billing software for small businesses in India. Here are some of the simple reasons why you should also opt. for Refrens gst billing software.

  1. User-Friendly Interface: Refrens has a highly intuitive and easy-to-use interface, making it accessible for businesses of all sizes, including those without extensive technical expertise.

  2. E-Invoicing and IRN Generation: Refrens simplifies the e-invoicing process by automating the generation of Invoice Reference Numbers (IRN), ensuring compliance with government regulations.

  3. GST Compliance: The software seamlessly integrates GST regulations, automatically calculating CGST, SGST, and IGST, helping businesses generate GST-compliant invoices effortlessly.

  4. Affordable Pricing: Refrens offers cost-effective pricing plans that cater to the budgets of small businesses and SMEs, making it a pocket-friendly solution.

  5. Cloud-Based Accessibility: Refrens operates on the cloud, allowing businesses to access and manage their invoices from anywhere, promoting mobility and flexibility.

  6. Comprehensive Financial Reporting: The software provides detailed financial reports, empowering businesses to analyze their financial health and make informed decisions.

  7. Simplified GSTR Report Generation: Refrens streamlines the process of preparing accurate GST returns, reducing the complexity of tax compliance.

  8. Advanced Inventory Management: The software offers features to track stock levels, monitor item movements, and automate stock-related transactions, enhancing operational efficiency.

  9. E-way Bill Integration: Refrens integrates with e-way bill systems, simplifying the generation and management of e-way bills, ensuring compliance with transportation regulations.

Yes, you can easily accept payments using Refrens. Refrens offers an integrated payment gateway that allows you to accept various digital payment methods directly within the software. This includes options like IMPS, NEFT, RTGS, UPI, debit/credit cards, and net banking. The payment gateway is seamlessly integrated with the invoicing and accounting features of Refrens.

We are an ISO certified organisation. We take utmost care of data security & privacy. Our systems are frequently updated with the latest security updates to ensure that your data is safe and secure. Do check out our detailed privacy policy here.

Yes, we provide instant & reliable support over chat, email, and phone. We will also provide a dedicated account manager to help you out whenever required.

Yes, you can easily generate e-invoices in just a couple of clicks using Refrens’ e-invoicing feature.

Absolutely! Our software is designed to seamlessly adapt and scale alongside your business, ensuring that it meets your evolving needs at every stage of growth. We are also committed to continuously enhancing the software by rigorously adding new features, functionality, and improvements so that your business can always stay ahead of the curve.

As your business expands, our software can accommodate an increasing number of users, manage larger volumes of data, and handle more complex tasks without compromising on performance or efficiency. We regularly update our software to incorporate new technological advancements, industry best practices, and customer feedback, ensuring that you always have access to the latest and most innovative solutions.

Additionally, our cloud-based infrastructure offers unparalleled scalability and reliability, with the ability to adjust resources on-demand to cater to your business's specific needs. This means that you can be confident that our software will support your growth without any disruption or downtime.

How Indian Businesses Use Refrens for GST Compliance? (Case Studies)

Recovering Missed ITC with Automated GSTR-2B Reconciliation Reminders

Business: MF Speciality Chemicals Private Limited, an anti-corrosion chemicals business.

Client requirement: The company required a reliable monthly mechanism to review its GSTR-2B data, identify invoices where input tax credit was not reflected, and follow up with vendors for timely correction.

Refrens solution: Refrens enabled the GSTR Report Email feature, which automatically issues email notifications during the GSTR-1 and GSTR-2B filing periods. These reminders prompt the team to review ITC status promptly and coordinate with vendors whenever discrepancies are identified.

Outcome: The business now reviews its ITC position on schedule each period, addresses vendor discrepancies within the applicable window, and files with greater assurance that its input tax credit is complete.

Bank-Ready Receivables and Payables with the Refrens Ageing Report

Business: Manki Job Staffing Services Private Limited, a recruitment services firm.

Client requirement: The firm needed a detailed statement of outstanding Sundry Debtors and Sundry Creditors for submission to its bank as part of a financial assessment.

Refrens solution: Refrens provided the Ageing Report, which presents a structured breakdown of outstanding receivables and payables categorised by ageing period.

Outcome: The firm generated accurate, categorised outstanding balances in minutes and submitted bank-ready documentation without manual compilation.

Refrens GST Invoicing and Billing Software

What is GST billing software?

GST billing software is the system a business uses to stay tax-compliant in India. A capable GST invoicing software automatically calculates IGST, CGST, and SGST across multiple tax rates and issues fully compliant invoices in seconds. But its role extends well beyond "GST" and "billing." The right software also generates your statutory GST reports, keeps you aligned with government mandates such as e-invoicing, e-way bills, and audit trails, and simplifies the daily operations that surround compliance.

Refrens brings all of this into one platform. It manages the creation, tracking, and reconciliation of every GST document and transaction a business handles, from GST invoices, credit and debit notes, and payment receipts to delivery challans, e-invoices, and e-way bills. Rather than stitching compliance together across separate tools, businesses of every size and sector run their entire GST cycle, from invoice to return, through a single connected system.

Why switch to Refrens GST invoicing software?

For most Indian businesses, GST compliance is fragmented across a billing tool, spreadsheets, and the accountant's own records. That fragmentation is where errors originate: input tax credit that goes unclaimed, invoices that do not reconcile, and returns filed against incomplete data. Refrens consolidates the entire cycle into a single system. Each invoice you raise flows directly into your GSTR-1, your ledgers, and your ITC records without re-entry, so the figures your team bills on are the figures your CA files on. The result is fewer reconciliation gaps, faster period-end closes, and a clear, auditable trail from invoice to return. Refrens is free to begin with, carries no revenue cap, and scales as your compliance requirements grow, which makes the switch low-risk and immediately practical.

How Refrens GST billing software automates compliance and daily operations?

GST compliance is not a single obligation but a continuous sequence of them, and each must be accurate to avoid notices, interest, and penalties. Refrens automates that sequence end to end. Every invoice applies the correct CGST, SGST, or IGST based on place of supply, includes the mandatory particulars prescribed under Rule 46, and generates the e-invoice IRN, QR code, and e-way bill where applicable. Reverse-charge transactions produce the corresponding self-invoice and payment voucher, and your GSTR-1, GSTR-3B, and GSTR-9 are prepared directly from transaction data, with GSTR-2B reconciliation identifying mismatches before filing. Alongside compliance, Refrens automates the operational workload that surrounds it: recurring invoices for retainer clients, automated payment reminders over WhatsApp and email, and scheduled GSTR report reminders during filing periods. The effect is a materially lower manual burden and reduced risk of oversight across both compliance and day-to-day operations.

How Refrens GST billing saves your time?

The largest hidden cost of GST compliance is time, particularly the hours consumed by reconciliation, data entry, and report preparation at each period end. Refrens reduces that cost at every stage. AI-based OCR captures vendor bills and expenses automatically, removing manual data entry. GSTR-2B reconciliation matches purchases against supplier filings in seconds rather than hours. Filing-ready GSTR-1, GSTR-3B, and GSTR-9 reports are generated on demand, and outstanding receivables and payables are available through ageing reports without manual compilation. For teams that prefer to query rather than build reports, the Refrens integration with Claude and ChatGPT allows financial data to be interrogated in natural language. Across a full compliance cycle, this translates into significant recovered capacity that can be redirected to core business activity.

Find the right fit for your team size

Your GST billing needs change as you grow. Here is where Refrens fits at each stage.

Micro businesses (1 to 10) - Free GST invoicing with professional templates and quotation creation, correct CGST, SGST, and IGST, HSN codes, audit trails, and one-click sharing on WhatsApp and email. Everything you need to bill compliantly from day one.

Growing teams (10 to 100) - Everything above, plus one-click e-invoices and e-way bills, GSTR-1, GSTR-3B, GSTR-9 and GSTR-2B reconciliation, custom fields, approval workflows, integrated accounting and inventory, and role-based access.

Enterprises (100 and above) - Everything above, plus vendor management with RFI links, invoicing API, e-commerce and Pabbly integrations, tailored custom solutions, and an AI invoicing agent for CFO-level insights.

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