Pricing
SlimFact is available as a managed Cloud subscription or as a Self-Hosted open-source edition.
Cloud — €15 / month
The easiest way to use SlimFact. We host, maintain, and secure everything — you just create and send invoices.
| Price | €15 per month |
| Hosting | Managed by us — high availability, automatic daily backups, security updates |
| All features included | Every feature — invoices, online payments, subscriptions, client portal, exports, and more. No feature gating, no upsells |
| Updates | Always up-to-date — we apply updates automatically |
| Support | Email support with priority response |
| Data | Backed up daily |
| Security | SSL certificates, database maintenance, and security patches handled for you |
| Companies | Unlimited companies under one account |
| Clients | Unlimited clients |
| Invoices | Unlimited invoices |
| Cancellation | Cancel anytime, no long-term contracts |
| Fair Use Policy | Reasonable use applies — excessive API calls or storage may be discussed to ensure platform stability for all users |
No servers to manage. No backups to worry about. No SSL certificates to renew. Just a reliable invoicing system that's always ready.
Self-Hosted — Free (Open-Source)
SlimFact is built on open-source principles. If you prefer to run it on your own infrastructure, the full application is available for free — no feature limitations, no trial period.
| Price | €0 — free |
| License | ELv2 — use, modify, and self-host freely |
| Infrastructure | You provide your own server and PostgreSQL database |
| All features included | Same feature set as Cloud |
| Updates | Pull the latest Docker images manually |
| Multi-company | Unlimited companies |
| Clients | Unlimited clients |
| Invoices | Unlimited invoices |
| Support | Community support via GitHub |
See the README on GitHub for setup instructions.
Feature comparison
| Feature | Self-Hosted | Cloud |
|---|---|---|
| Unlimited invoices, clients, and companies | ✅ | ✅ |
| Online payments (iDEAL, credit cards) | ✅ | ✅ |
| Client portal | ✅ | ✅ |
| Subscription billing | ✅ | ✅ |
| Multi-language (EN / NL / DE) | ✅ | ✅ |
| Typst PDF rendering | ✅ | ✅ |
| UBL / Peppol / Digiboox exports | ✅ | ✅ |
| Email delivery with open tracking | ✅ | ✅ |
| OIDC authentication | ✅ | ✅ |
| Headless tRPC API | ✅ | ✅ |
| Multi-PSP payment routing | ✅ | ✅ |
| Managed hosting | ❌ | ✅ |
| Automatic daily backups | ❌ | ✅ |
| SSL & security updates | ❌ | ✅ |
| Priority email support | ❌ | ✅ |
| Automatic updates | ❌ | ✅ |
FAQ
Can I switch from Self-Hosted to Cloud later?
Yes. Export your data and we'll help you migrate.
Is there a free trial for Cloud?
Yes. Get in touch and we'll set up a trial period so you can evaluate SlimFact before committing.
Are there any long-term contracts?
No. Both plans are month-to-month with no minimum commitment.
Can I run multiple companies on one account?
Yes. Both Cloud and Self-Hosted support unlimited companies under a single account.
What payment methods are supported for my customers?
iDEAL (via Mollie or Stripe), credit cards (Visa, Mastercard), cash, and bank transfers.
Do you offer volume discounts?
Get in touch — we can discuss custom pricing for high-volume scenarios.
Can I self-host behind my own OIDC provider?
Absolutely. Self-Hosted supports any OpenID Connect provider for authentication.
Ready to get started? View the Demo or Contact us with any questions.