Best E-Invoicing Software for Italy 2026: Honest Comparison

Italy's e-invoicing market is mature — the mandate has been live since 2019, so the tools have had years to evolve. That's mostly good news: the software is generally solid and prices are low. The bad news: there are dozens of options, and the differences between them aren't obvious until you're three months in.

This comparison focuses on what actually matters for Italian businesses: reliable SDI transmission, clean FatturaPA generation, proper conservazione sostitutiva, and pricing that doesn't punish you for growing.

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Quick Comparison Table

Software	Starting Price	SDI Routing	Conservazione	Free Tier	Best For
Aruba Fatturazione	Free	✅ Native	✅ Included	✅ Yes	Most freelancers, small SMEs
Fattura24	Free	✅ Native	✅ Included	✅ Yes (3/mo)	Tech-savvy freelancers, e-commerce
TeamSystem	€15/mo	✅ Native	✅ Included	❌ No	Accountants, mid-market SMEs
Zucchetti Infinity	Custom	✅ Native	✅ Included	❌ No	Enterprise, multi-entity

Prices as of Q1 2025. Check vendor websites for current pricing.

1. Aruba Fatturazione Elettronica — Best All-Round for Most Italian Businesses

Rating: 4.3 / 5

Aruba is the market default in Italy for a reason. It's not the flashiest tool, but it works reliably, it handles everything from FatturaPA transmission to conservazione sostitutiva, and the free tier covers the majority of low-volume Italian sole traders.

Aruba is the largest certified e-invoicing intermediary in Italy by volume. They handle millions of invoices per day through the SDI. That scale means their connectivity is rock-solid and their support team actually understands Italian tax edge cases.

What Works Well

The free tier is genuinely useful. Most Italian freelancers under the regime forfettario don't send hundreds of invoices per month. Aruba's free plan covers the basics: FatturaPA creation, SDI submission, status tracking, and conservazione. No invoice volume limits at the basic level (there are limits on features, not volume — check their current terms).

Conservazione sostitutiva is built-in. You don't need to bolt on a separate service for the 10-year legal storage requirement. Aruba's conservazione is AccA-compliant and handled automatically.

PEC integration is native. Since Aruba is also one of Italy's main PEC (certified email) providers, the integration is seamless if your customers use PEC for SDI delivery.

What Could Be Better

The interface is dated. It's functional, not beautiful. If you're used to modern SaaS tools, Aruba's UI will feel like stepping back about five years. It works, but it's not a pleasure to use.

Support response times. Aruba is a large company with millions of customers. Their support ticket queue can be slow, especially at peak tax deadlines. The knowledge base is good, but if you have a specific technical problem, expect to wait.

Accounting features are minimal. Aruba is an invoicing and SDI routing tool, not an accounting suite. You'll still need a separate tool (or your commercialista) for bookkeeping, F24 payments, and tax declarations.

Pricing

Free: Core FatturaPA + SDI for basic volumes
Paid plans: Starting from a few euros/month for higher volume and additional features (exact pricing varies — check aruba.it for current plans)

Best for: Freelancers, forfettari, and small businesses who want reliable SDI routing at minimal cost and don't need integrated accounting.

2. Fattura24 — Best for Developers and E-Commerce

Rating: 4.5 / 5

Fattura24 is what you get when someone builds an Italian invoicing tool with a developer mindset. The FatturaPA generation is solid, the SDI integration is reliable, and the REST API is one of the best in the Italian market.

If you're running a WooCommerce store, a Shopify shop, or any e-commerce operation that needs automated invoice generation, Fattura24 is the first tool I'd tell you to look at.

What Works Well

The API is excellent. Fattura24's API documentation is clear, the endpoints work as described, and the webhook support for SDI status notifications saves you from having to poll for updates. Developers who've worked with other Italian invoicing APIs will appreciate the difference.

E-commerce integrations. Native plugins for WooCommerce and Shopify mean you can have invoices auto-generated on order completion and transmitted to SDI without any manual intervention. For high-volume B2C retailers who still need FatturaPA for B2B orders, this matters.

Clean, modern UI. Compared to Aruba and TeamSystem, Fattura24's interface is genuinely pleasant to use. Everything is where you'd expect it to be.

Free tier is real. 3 invoices per month for free — which is nothing for a business, but genuinely useful for someone just starting out who wants to test the tool before committing.

What Could Be Better

Volume-based pricing adds up. Once you're above the free tier, Fattura24 charges per invoice or per plan with invoice volume caps. For high-volume businesses, this can get expensive compared to flat-fee alternatives.

No accounting module. Like Aruba, this is an invoicing tool, not an accounting suite. You'll want a separate solution for bookkeeping.

Smaller brand than Aruba. This shouldn't matter technically, but Italian clients and accountants sometimes prefer the familiarity of larger providers.

Pricing

Free: Up to 3 invoices/month
Paid plans: Starting from low monthly fees with invoice volume tiers (check fattura24.com for current pricing)

Best for: Developers, e-commerce businesses, tech-savvy freelancers who want API access and modern tooling.

3. TeamSystem — Best for SMEs with an Accountant

Rating: 4.2 / 5

TeamSystem has been selling accounting software to Italian businesses since 1980. They're the trusted choice for SMEs whose commercialista (Italian accountant) is the one managing their books. Most Italian accountants know TeamSystem; many have their own firm-level subscriptions and extend access to clients.

What Works Well

Full accounting suite. TeamSystem isn't just FatturaPA. It handles the full Italian accounting workflow: IVA registers, F24 payment preparation, payroll, statutory reports, and tax declarations. If you want one tool that does everything, this is it.

Accountant ecosystem. If your commercialista is already a TeamSystem user, sharing data and invoices becomes frictionless. This workflow compatibility is worth something real.

Native Peppol access point. For Italian businesses that also trade internationally and need Peppol connectivity, TeamSystem has a built-in Peppol access point alongside SDI.

Regulatory depth. When Italy's tax rules change (which they do, frequently), TeamSystem updates quickly. The vendor has a strong track record of keeping pace with Agenzia delle Entrate changes.

What Could Be Better

Price. TeamSystem is more expensive than Aruba or Fattura24. The entry-level plan starts around €15/month, and fully-featured tiers go significantly higher.

Complexity. For a sole trader who just wants to send invoices, TeamSystem's feature set is overwhelming. The onboarding curve is real.

Interface feels enterprise-focused. The UX is designed for accountants, not necessarily for the business owner who wants to quickly generate an invoice.

Pricing

Starting around €15/month; mid-tier and full-accounting plans available
Trial period available — use it to evaluate whether the complexity is worth it

Best for: SMEs with a commercialista who uses TeamSystem, businesses that need full Italian accounting (not just invoicing), companies with complex IVA scenarios.

What to Look For When Choosing Italian E-Invoicing Software

These are the features that actually separate good tools from bad ones in the Italian market:

1. SDI Intermediary Status

Is the software provider a registered SDI intermediary (intermediario abilitato), or do they route through a third party? Direct intermediaries tend to be faster and more reliable for status notifications.

2. Conservazione Sostitutiva — Included or Add-On?

This is a mandatory 10-year storage requirement. Some providers include it; others charge separately. Check before you sign up. "We generate the FatturaPA" is not the same as "we handle your conservazione".

3. Error Handling and Notifications

When SDI rejects an invoice (which happens — see the error codes guide), does the software notify you clearly and immediately? Can you correct and resubmit within the 5-day window directly from the tool? This is a differentiating feature.

4. Pricing Model Transparency

Italian invoicing tools use every pricing model imaginable: per invoice, per month (with volume caps), flat monthly unlimited, and more. Run the numbers for your actual volume before assuming the cheapest plan is cheapest.

5. ForFettario Support

If you're under the regime forfettario, make sure the software correctly handles RF17/RF19 regime code, suppresses VAT lines (forfettari don't charge IVA), and generates the ritenuta d'acconto (withholding tax) notation where required.

The Bottom Line

For most Italian freelancers and sole traders: Start with Aruba's free tier. It handles the compliance correctly and costs nothing.

If you're technically comfortable and want modern tooling: Fattura24 is the better product experience, especially if you need an API or e-commerce integration.

If you have a commercialista and need full accounting: TeamSystem is the professional choice. Get your accountant involved in the selection.

Whatever you choose, verify that conservazione sostitutiva is included, that the provider is a registered SDI intermediary, and that they keep up with Agenzia delle Entrate format updates (the FatturaPA spec does evolve).

Last updated: April 2026. Pricing verified against vendor websites as of Q1 2026. This is our 2026 update — prices and feature availability may have changed since our initial 2025 review.