GST software scores and comparison (2026)

Saral GST

Saral GST from Relyon, a GSTN-authorised GSP, covers GSTR-1, 3B, CMP-08, GSTR-4, GSTR-7, ITC-04 and 9C, with 2A/2B and IMS reconciliation plus e-invoice and e-way bill. Pricing is by demo only.

Best for · CA firms wanting a GSP-grade filing product with wide return coverage

Spectrum Cloud

Spectrum Cloud runs entirely in the browser and bundles GST filing with TDS and ITR. It adds PAN-level reconciliation, an IMS console, notice management and Tally/Excel sync — a good all-in-one for small and mid-size practices.

Best for · Small and mid-size CA practices wanting one cloud tool for GST, TDS and ITR

SPEQTA GST

SPEQTA GST is desktop GST software aimed squarely at CAs. It prepares GSTR-1, 3B, CMP-08, GSTR-4, GSTR-7, GSTR-9 and 9C, reconciles GSTR-2A and 2B against books, and keeps client data on your own PC. Plans are tiered by GSTIN count; prices are not published.

Best for · CA practices that want offline, return-by-return filing across many GSTINs

Optotax

Optotax, built by fintech company OPEN, is a cloud GST platform for CAs and tax consultants. It reconciles GSTR-1, 3B, 2A and 2B against books, files GSTR-1 and 3B from reconciled data, and puts every client GSTIN on one dashboard. Every plan allows unlimited GSTINs and users; pricing is by report downloads.

Best for · CA firms that want a cloud dashboard for filing and reconciliation across many client GSTINs

Express GST

Express GST is KDK Softwares' browser-based GST product. It files GSTR-1, 3B and 9/9C, reconciles GSTR-2A/2B and IMS against books invoice-wise and supplier-wise, and generates e-invoices in bulk across GSTINs. It is marketed to enterprises and has no published price.

Best for · CA firms with multi-GSTIN corporate clients who want filing and reconciliation in the browser

Masters India

Masters India offers GST reconciliation, GSTR-3B and GSTR-9 filing, multi-GSTIN challan payment and ERP/API imports, with sister e-invoice and e-way bill products. Paid pricing is on request.

Best for · CA firms serving ERP-based mid-size businesses

Octa GST

Octa GST files GSTR-1, 3B, 6, 7 and 9, reconciles GSTR-2B and IMS with bulk accept/reject, and generates e-invoices and e-way bills. It publishes a price — ₹25,000 a year — but that Standard plan is for a single business, so CA firms need the custom-priced Premium plan.

Best for · Firms handling a few large GST clients with heavy IMS and e-invoice work

TaxPro GST

TaxPro GST from Nagpur's Chartered Information Systems generates GSTR-1, 3B and GSTR-9, reconciles GSTR-2A against purchases in one click, and tracks filing status across all clients. A free licence is available to download; paid plans are not published.

Best for · Small and mid-size CA practices that want a free starting point for GSTR-1, 3B and 9

GSTHero

GSTHero automates GSTR-1, 3B and 9C filing with 2A/2B reconciliation, and is strongest on bulk e-invoice and e-way bill from the client's ERP.

Best for · CAs serving ERP-using businesses with e-invoice volume

Winman GST

Winman GST imports from Tally and Excel, auto-reconciles 2A/2B, carries forward pending 2B invoices and builds annual summaries for GSTR-9 prep, as part of the Winman CA-ERP suite.

Best for · CA firms already using the Winman suite

Gen GST

Gen GST is a low-cost desktop GST tool from SAG Infotech, popular with budget-conscious CAs. Its official product page was unavailable when we checked, so features and pricing could not be verified.

Best for · Budget-conscious CA firms wanting a desktop tool

CompuGST

CompuGST is the GST product of the CompuTax suite. Pricing is low on third-party listings, but features and plans are not published on the vendor site.

Best for · Existing CompuTax users