"Free invoicing software" is one of the most common searches by new founders – understandably, because at the start every euro counts. And yes: free invoicing software really does exist. The real question isn't whether it exists, but where it stops. Because no provider gives away a complete piece of software forever without something in return.
Free, sure – but how is it funded?
Behind "free" there's almost always one of three models:
- Free entry tier (freemium): A stripped-down plan is permanently free, with the useful features sitting in the paid package. The free offer is deliberately meant as an entry point that you're expected to grow out of later.
- Time-limited trial: Here "free" only means "free for 30 days," after which you pay or your access ends.
- Funding through advertising or data: Rarer, but possible – in which case you pay with attention or your data instead of money.
None of these models is inherently dubious. All that matters is knowing which one you're dealing with – so you aren't caught out halfway through.
The typical limits
Where free versions draw their boundaries looks similar across providers:
- Volume cap: Only a certain number of invoices or customers per month, after which it stops or becomes chargeable.
- No e-invoice sending: Receiving is often possible; issuing structured formats like ZUGFeRD or XRechnung is frequently reserved for the paid plan.
- Third-party branding: A promotional note from the provider appears on your invoice – not a good impression on a business customer.
- Limited retention and export: No DATEV export, no audit-proof filing, sometimes no clean data export if you want to switch.
Where "free" does cost something
Two points deserve special attention, because they only surface later.
First, GoBD compliance. Not every free tool creates and stores invoices in a way that holds up in an audit. If a finished document can be deleted or changed, saving money can turn expensive in a pinch.
Second, your own time. A tool that jams somewhere – cumbersome numbering, no quote-to-invoice, constant rework – costs more working time over the weeks than the cheapest paid plan comes to.
Invoicing software that's genuinely free – and earns you money
Instead of committing in advance to the limits of a free version, you can simply try out a full-featured solution. Easy Invoice on office1.cloud offers 10 days of free trial access – with no obligation to buy straight afterwards. That way you can see, with your real invoices, whether the software fits your everyday work before any money changes hands.
Anyone who held a valid Easy Invoice desktop licence in May 2026 even gets three months free. You can activate that directly in your company settings using your existing key.
It goes further still via partner.office1.cloud: there's currently 20% recurring lifetime commission there – for as long as the customer you referred keeps buying and renewing. So you earn from the platform on an ongoing basis. And anyone who promotes us – on their own website, while streaming or on any other occasion – gets the platform permanently free on top: just open a ticket in the partner area and tell us where and how you're promoting. Then you use the platform completely free of charge and even earn money doing it.
Which criteria matter beyond price when you make your decision is covered in Invoicing Software for Small Businesses: What to Look For.
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