E-Invoicing Software in Tunisia: Complete Comparison 2026

The question comes up in almost every conversation about electronic invoicing in Tunisia: which software should you choose? The answer depends less on feature rankings than on the reality of your business — your invoicing volume, your IT infrastructure, your budget, and above all the transmission mode you have chosen to communicate with the TTN platform.

In 2026, the market for TEIF-certified solutions has expanded considerably. Specialized Tunisian players coexist with established ERP publishers and niche signature tools. This comparison aims to give you a clear picture of what each solution actually does, its strengths, and the type of company it suits best.

What "TEIF Certified" Actually Means

Before diving into the details of each solution, one methodological point is essential. TTN certification is not a simple declaration by the vendor — it is a certification issued by Tunisian Tax Network following a technical testing phase covering invoice format compliance, transmission protocol, and acknowledgement handling.

A certified solution guarantees that the invoices it generates and transmits comply with the TEIF XML schema, that digital signatures are correctly integrated, and that the communication flow with the TTN platform is functional. Using non-certified software — even software technically capable of exporting XML — exposes the company to systematic invoice rejections and fiscal non-compliance.

The official list of certified solutions evolves — check the TTN portal regularly to confirm that a solution is still certified before signing a contract.

Market Overview

Fatoora.tn: the dedicated TEIF platform

Fatoora.tn was born directly from the need created by the TEIF reform. It is a Tunisian SaaS platform designed exclusively for compliant electronic invoicing, without the ancillary features of a full accounting suite.

Its positioning is clear: provide a simple, clean interface for creating, signing, and transmitting electronic invoices to TTN, with no technical learning curve. Companies looking to achieve compliance quickly, without migrating their entire accounting software stack, find in Fatoora.tn a solution that is immediately operational.

The platform handles both transmission modes — Web and EDI — and offers an API for companies that want to partially automate their flows. Its main strength is the simplicity of onboarding: registration, digital certificate configuration, and the first invoice can be completed in less than a day.

It is particularly suitable for mid-sized companies that do not yet have an integrated ERP but need a reliable, compliant tool right now.

TEIF Manager (BTB Labs): total compliance as the core promise

BTB Labs, a Tunisian software publisher specializing in enterprise solutions, developed TEIF Manager as a complete response to the requirements of decree-law no. 2022-61. The solution is positioned on total compliance: every regulatory update is integrated quickly, and the publisher actively communicates its certification status.

TEIF Manager targets SMEs and mid-market companies that want an autonomous solution capable of managing the complete lifecycle of an electronic invoice — creation, signing, transmission, TTN status tracking, legal archiving. The interface is richer than Fatoora.tn, with monitoring dashboards and tax reporting features.

Onboarding requires more structured initial support than lighter solutions, but the functional depth justifies this for companies issuing high volumes to multiple B2B customers. BTB Labs also offers dedicated technical support, which is a strong argument for companies that do not have a solid internal IT department.

Billown: online e-invoicing, no installation

Billown is a Tunisian SaaS solution designed for small and medium-sized businesses that want to manage their electronic invoicing from a browser, with nothing to install. Its interface is deliberately accessible, designed for users who are not accounting specialists.

Billown's strength lies in its operational lightness. There is nothing to install, nothing to configure server-side — you create your account, enter your DigiGo or ID-Trust certificate, and start invoicing. Compliance updates are managed automatically by the publisher.

Billown correctly handles the complete TEIF cycle: invoice creation, XML generation, signing, transmission to TTN, acknowledgement retrieval, and archiving. For an SME with 10 to 50 employees and a regular but not excessively complex invoicing flow, this is often the optimal combination of ease of use and regulatory compliance.

Swiver: the lightweight ERP focused on SMEs

Swiver is a Tunisian integrated management suite covering invoicing, light accounting, quote and purchase order management, and cash flow monitoring. Its electronic invoicing module is natively integrated in this broader context, which sets it apart from purely TEIF-focused solutions.

For an SME looking to centralize its commercial and financial management in a single tool — rather than assembling a separate invoicing software and accounting software — Swiver offers a coherent value proposition. The learning curve is manageable, the interface is available in French and Arabic, and support is local.

Swiver's TEIF module supports ID-Trust and DigiGo certificates, handles credit notes (avoirs), prepayments, and debit notes, and produces tax reports directly usable for VAT declarations. It is a solution built for the operational reality of Tunisian SMEs, not a tool adapted from a European market.

Its weakness is integration with external systems: if you already have an ERP or accounting software in place, migrating to Swiver may represent a significant project. On the other hand, for a company starting from scratch or looking to unify disparate tools, it is a solid choice.

Iberis: integrated invoicing and cash flow management

Iberis is a SaaS solution that distinguishes itself through its attention to cash flow alongside invoicing. Where most TEIF software stops at invoice issuance and transmission, Iberis integrates collections tracking, customer payment reminders, and real-time cash flow visibility.

For companies where working capital management is critical — typically fast-growing SMEs or those that extend long payment terms — this complementary financial dimension can be the deciding factor in software selection.

Iberis's TEIF compliance is complete: structured XML, TUNTRUST certificate-based signing, bi-directional transmission with TTN, status management. But it is the financial management interface that justifies its pricing, which is generally slightly higher than pure-invoicing solutions.

NGSign: the signing middleware for technical integrations

NGSign is not strictly speaking an invoicing software. It is a signing middleware — a technical layer that sits between your existing software and the TTN platform, handling exclusively the signing and transmission aspects.

If you have an ERP or accounting software in place that correctly generates TEIF XML but does not handle electronic signing or TTN communication, NGSign can be the missing link. It exposes a REST API that your system can call to sign an invoice with the TUNTRUST certificate and transmit it to TTN, then retrieve the acknowledgement.

NGSign is TTN-certified and is also a DigiGo reseller, which allows you to manage everything through a single supplier: certificate + signing + transmission. It is highly valued by technical teams who want to retain their existing software while achieving TEIF compliance with minimal development.

Discovery E-Sign: TUNTRUST certification in application form

Discovery E-Sign is developed by Discovery, a certified TUNTRUST partner. It is a signing application that can operate in standalone mode for small organizations, or in API mode for more complex integrations.

Its main differentiator is its direct TUNTRUST certification, which guarantees full compatibility with all certificate types (ID-Trust, DigiGo, Seal). For companies that want to secure the full chain of trust from start to finish with the same provider — certificate and signature — Discovery E-Sign is a natural option.

The application is available on Windows and as a web version, with an interface suited to non-technical users. It is particularly suitable for small businesses that opt for a manual workflow (entry + signing + transmission invoice by invoice) rather than automation.

Qwerty Tunisie: the unified tax, accounting, and invoicing suite

Qwerty Tunisie is an established publisher of management solutions for Tunisian companies. Its suite covers general and analytical accounting, payroll, tax management (VAT, corporate income tax, etc.), and since TEIF came into force, electronic invoicing.

For companies already using Qwerty for their accounting, adding the TEIF module is the logical extension that avoids running two separate systems. Qwerty's accounting depth — its ability to handle automatic journal entries, bank reconciliations, and tax declarations — is a real advantage for finance departments that want a single tool.

This is a solution aimed at mid-market to large companies with structured accounting processes and reporting requirements that go beyond simple invoice tracking.

GOpus eInvoice: SAP integration for large enterprises

GOpus eInvoice is a solution developed specifically for companies that use SAP as their central ERP. It integrates natively into the SAP environment to extract invoicing data, generate compliant TEIF XML, sign via the Seal certificate, and transmit to TTN — all without manual intervention.

For a large Tunisian company or multinational present in Tunisia whose core IT environment is SAP, GOpus is often the only realistic option for a deep integration. Building a SAP-TEIF integration from scratch represents months of work from a qualified SAP ABAP consultant; GOpus amortizes this cost by offering a pre-built, certified connector.

The cost of GOpus is fully justified in this context: the savings in internal development and the guarantee of regulatory compliance far outweigh the license investment.

Which Software for Which Profile?

The uncomfortable truth of any software comparison is that there is no single best solution — there is the best solution for your situation. Here is a practical guide by profile.

Freelancer and self-employed professional

You issue a few dozen invoices per year, often to varied clients. You have no internal accounting department and manage your finances yourself. Your priorities are simplicity and minimal cost.

Recommendation: DigiGo (certificate) + Fatoora.tn or Billown (software), in Web mode. Total cost remains below 200 TND per year all-in, and onboarding takes only a few hours.

SME with fewer than 50 employees

You have a regular invoicing volume, perhaps a part-time bookkeeper or an external accountant. You need a reliable tool, available in French and Arabic, with accessible support if a problem arises.

Recommendation: Swiver or Billown. Swiver if you want to integrate quotes, purchase orders, and cash flow tracking in a single tool. Billown if you want a dedicated invoicing tool and prefer to keep your current accounting software.

Mid-market company (50 to 250 employees)

You have an internal accounting department, an existing management system, and internal invoice approval processes. You need a tool with structured reporting and management of credit notes and prepayments.

Recommendation: TEIF Manager (BTB Labs) or Fatoora.tn for TEIF compliance, with NGSign as a middleware if you want to retain your current accounting software and simply plug in the TEIF layer.

Large enterprise with SAP ERP

Your IT environment revolves around SAP, you issue hundreds of invoices per month to B2B customers, and any disruption in the invoicing chain has immediate operational consequences.

Recommendation: GOpus eInvoice. Without hesitation. Any other option would involve either a cumbersome manual export or custom development whose cost and risks are not justified.

Large enterprise with non-SAP ERP or custom developments

You have an Oracle, Microsoft Dynamics, or internally developed business system. You have a technical team capable of integration.

Recommendation: Direct integration via the TTN API, with NGSign as the signing middleware, or a custom integration. This is precisely the type of project that the noqta.tn team supports: we design and develop the technical connectors between your existing system and the TTN platform, handling XML format compliance, the signing layer, and the communication protocol.

Noqta.tn's Positioning: Custom TTN Integration

For companies whose information system does not fit any of the standard profiles — or that want to go beyond mere compliance to fully automate their invoicing flow — noqta.tn offers a custom TTN integration service.

In practice, this means: analyzing your existing architecture (ERP, CRM, database, accounting exports), designing the optimal integration schema, developing connectors to the TTN API, integrating the signing layer via the appropriate TUNTRUST certificates, and deploying a solution that operates without daily manual intervention.

This type of project is particularly relevant for companies with high invoicing volumes (several hundred invoices per month), whose billing data is spread across multiple systems, or whose internal approval processes require integration into the existing workflow rather than a parallel third-party software.

Questions to Ask Before Signing a Contract

Regardless of the software being considered, here are the questions to ask every vendor systematically before committing:

Up-to-date TTN certification. The list of certified solutions evolves. Ask for the date of the last certification and verify it on the TTN portal.

Compatibility with your certificate. Not all software supports all certificate types. Verify that the solution supports ID-Trust (USB token) or DigiGo (mobile) depending on the certificate you have chosen or are considering.

TTN return status handling. The TTN platform returns statuses: received, accepted, rejected (with error code). Good software must clearly expose these statuses and allow correction and retransmission of rejected invoices.

Legal archiving. Tunisian regulations require the retention of electronic invoices for a defined period. Ask how the software handles archiving, and whether it is included in the price or billed separately.

Support and regulatory updates. TEIF regulations are still evolving. Your vendor must commit to update timelines in the event of regulatory changes.

Summary

The electronic invoicing software market in Tunisia has matured rapidly. In 2026, small businesses have accessible and affordable solutions, SMEs have a choice of solid tools, and large enterprises have serious integration options.

The trap to avoid is choosing the most popular software without verifying that it matches your way of working. An excellent tool for a micro-business may be unsuitable for a mid-market company with complex approval processes. Conversely, a powerful, feature-rich tool may be overkill for a freelancer issuing ten invoices per month.

Take the time to identify your volume, your preferred transmission mode, and your integration constraints before committing. Electronic invoicing will be at the heart of your administrative management for the years ahead — it is a choice worth careful consideration.

This article is part of the Electronic Invoicing in Tunisia series. Find the previous episode on TEIF Format and Technical Specifications, and the next episode on TTN API Integration for Developers.