IRIS GST (Sovos India) vs Optotax GST
Two GST & Compliance tools compared for Indian CA firms on features, pricing and community ratings.
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| Feature | IRIS GST (Sovos India) | Optotax GST |
|---|---|---|
| Basics | ||
| Pricing | Quote-based enterprise licensing (~₹15,000 – ₹45,000 / year for CA & advisory firms) | 100% Free Cloud Software for CA Firms & Tax Practitioners |
| Pricing model | Paid | Paid |
| Deployment | cloud | cloud |
| Founded | 2011 | 2017 |
| Headquarters | Navi Mumbai, Maharashtra | Bengaluru, Karnataka |
| Features · GST & Compliance | ||
| GSTR-1 Direct Filing & Auto-Preparation | Supported | Supported |
| GSTR-1A Amendment Support | Supported | Not yet verified |
| GSTR-3B Auto-Computation & Filing | Supported | Supported |
| GSTR-9 Annual Return Auto-Preparation | Supported | Not yet verified |
| GSTR-9C Reconciliation Statement & Audit Tables | Supported | Not yet verified |
| IFF (Invoice Furnishing Facility) Filing | Supported | Not yet verified |
| CMP-08 Composition Scheme Filing | Supported | Supported |
| ITC-04 Job Work & Other Returns (GSTR-4/5/6/7/8/10/11) | SupportedYes (All 4/5/6/7/8/10) | Not yet verified |
| Automated GSTR-2B/2A Auto-Download & Purchase Register Reconciliation | SupportedYes (Auto 1-Click) | Supported |
| Fuzzy & Multi-Parameter Invoice Matching (Prefixes, Dates, Rounding) | Supported | Not yet verified |
| Multi-Month & Cross-Financial Year Reconciliation | Supported | Not yet verified |
| Duplicate Invoice & Discrepancy Detection | Supported | Supported |
| Supplier Missing Invoice & Default Communication (WhatsApp/Email) | SupportedYes (WhatsApp / Email) | Not yet verified |
| ITC Eligibility & Ineligibility Classification | Supported | Not yet verified |
| Section 17(5) Blocked Credit Auto-Segregation | Supported | Not yet verified |
| Rule 37 & 37A ITC Reversal Tracking (180-Day & Supplier Default) | Supported | Not yet verified |
| Rule 42 & 43 Capital Goods ITC Reversal Calculation | Supported | Not yet verified |
| ITC Reclaim Tracking (Re-crediting Paid Invoices) | Supported | Not yet verified |
| RCM (Reverse Charge Mechanism) Computation & Liability Push | Supported | Not yet verified |
| Section 50 GST Interest & Late Fee Auto-Calculation | Supported | Not yet verified |
| GST Electronic Ledgers (Cash, Credit, Liability) Auto-Fetch & Reconciliation | Supported | Not yet verified |
| Direct NIC IRP E-Invoicing Suite (IRN, QR Code, Cancellation & Notes) | SupportedYes (Direct IRP API) | Not yet verified |
| Automated E-Way Bill Generation, Vehicle Update & Extension | Supported | Not yet verified |
| GST Refund Management (RFD-01 Statement & Export Calc) | SupportedYes (RFD-01) | Not yet verified |
| Departmental Notice Tracking & ASMT-10 / DRC-01 Reply Assistant | SupportedYes (Departmental Notice Module) | Supported |
| GST PMT-06 Challan Auto-Generation & Payment Tracking | Supported | Supported |
| Direct GSTN GSP / ASP High-Speed API Integration | SupportedYes (Empanelled GSP) | Not yet verified |
| TallyPrime, BUSY & Native ERP 2-Way Sync | SupportedYes (Tally, SAP, ERP Connectors) | Not yet verified |
| Universal Multi-Column Excel / CSV / JSON Flexible Mapper | SupportedYes (Universal Mapper) | Not yet verified |
| CA Firm Multi-GSTIN & Multi-Client Central Dashboard | SupportedYes (Dedicated CA Console) | Supported |
| Bulk Multi-Client Return Filing & Auto-Fetch Queue | SupportedYes (Bulk Engine) | Not yet verified |
| Statutory Audit Trail & Local/Cloud Client Data Security | SupportedYes (Compliant Audit Trail) | Supported |
| Ecosystem & support | ||
| Integrations | — | — |
| Support channels | — | — |
| Community | ||
| Rating | Not yet rated | Not yet rated |
| Reviews | 0 | 0 |
| Recommend | 0 | 0 |
IRIS GST (Sovos India)
Best for: RegTech & Enterprise Tax Teams Requiring Official GSP Infrastructure, Vendor Nudging & Scrutiny Support
Optotax GST
Best for: Cloud-First CA Practices Seeking Free High-Speed GST Compliance