Payable.at vs Invoice Ninja: Open Source or Effortless Collection?

Invoice Ninja is a favorite for a good reason: it is full-featured, inexpensive, and rare in being fully open source and self-hostable. Payable.at is none of those things. It is a hosted, paid tool with a deliberately narrow job: get you paid, with automatic follow-up and no setup.

So this comparison is really about control and features versus simplicity. If you want to own and tune everything, Invoice Ninja is compelling. If you just want the money to arrive without becoming your own IT department, Payable.at is the better fit. Here is the honest breakdown.

Quick comparison

Pricing checked June 2026. Plans change, so confirm on each provider's site.

The verdict

For someone whose goal is simply to get paid without managing software, Payable.at is the better choice. Invoice Ninja is genuinely capable, but its strengths, low cost and self-hosting, come with strings: the free tier caps you at 5 clients, automatic reminders need the Pro plan, and the open-source route means running and maintaining a server yourself.

Payable.at removes all of that. You sign up, send a payment request with every way to pay in one link, and automatic reminders chase it until it is paid. There is nothing to host, no client cap on the core job, and the follow-up is included from the start.

Where Invoice Ninja wins

Invoice Ninja's standout strength is openness. It is one of the few invoicing tools that is fully open source and self-hostable, so you can run the entire feature set for free with complete control of your data. For a technical user who values ownership, or a business that wants to avoid per-seat subscription creep, that is a real and rare advantage. The hosted Pro plan is also cheap at about 14 dollars per month, and there is a free hosted tier to start on.

The honest caveats: the free hosted plan caps at 5 clients, automatic reminders are a Pro-and-up feature, and self-hosting requires technical setup and ongoing maintenance that most non-developers will not want to take on.

Where Payable.at wins

Payable.at is built so there is nothing to set up and nothing to run. No server, no version updates, no configuration to get reminders working. You create a request, share one link, and the automatic follow-up handles the chasing on its own.

That simplicity is the whole advantage. There is no client cap to bump into on the job that matters, and reminders are core rather than a paid upgrade. For a solo operator who wants to spend zero minutes administering software and just wants to get paid, that is exactly the trade worth making.

What you give up is control and breadth. Payable.at is not open source, you cannot self-host it, and it is not full invoicing software. That is intentional. It is the part that gets you paid, done with no overhead.

Pricing reality

On price alone, Invoice Ninja is cheaper, with a free tier and a 14 dollar Pro plan, and self-hosting can be free entirely if you supply the technical effort. Payable.at starts at 19 dollars per month for the Solo plan, with a 14-day trial that needs no card. The fair framing: Invoice Ninja costs less in dollars but can cost more in setup and maintenance, while Payable.at costs more in dollars and almost nothing in time. If your hours are scarce, that trade usually favors Payable.at.

Which should you choose?

Choose Invoice Ninja if you want a low-cost or self-hosted, full-featured invoicing platform, you value owning your data, and technical setup or the 5-client free cap does not bother you.

Choose Payable.at if you just want to get paid with no setup, no hosting, no client limit on the core job, and automatic reminders working from day one. The free trial lets you see it work before paying.

Frequently asked questions

Is Invoice Ninja free?

Invoice Ninja has a real free hosted plan, but it caps you at 5 clients, and the Ninja Pro plan is about 14 dollars per month, or 140 dollars per year. It is also fully open source, so you can self-host the entire feature set for free if you are willing to set up and maintain a server. Pricing was checked in June 2026, so confirm on the provider's site.

Is Payable.at open source like Invoice Ninja?

No. Payable.at is a hosted, closed product focused on one job: getting you paid with automatic follow-up and no setup. Invoice Ninja's open-source, self-hostable nature is its standout strength if you want full control of your data and are comfortable running software yourself. Payable.at trades that control for simplicity.

Which should I choose, Payable.at or Invoice Ninja?

Choose Invoice Ninja if you want a low-cost or self-hosted, full-featured invoicing platform and you do not mind technical setup or the 5-client free cap. Choose Payable.at if you just want to get paid with zero setup, no client limit on the core job, and automatic reminders included from the start.