Invoice Ninja or onFact?

Price, integrations and Netherlands check side by side.

Invoice Ninja

for freelancers and SMEs

Open-source invoicing with quotes, recurring invoices and many payment providers, also self-hostable.

Free plan

2 of 7 NL check

onFact

for freelancers and SMEs

Online invoicing and quotes with Peppol in every plan, including free, and payment via Mollie.

Free plan, paid from €18 /month excl. VAT

5 of 7 NL check

The differences

Only Invoice Ninja integrates with Stripe, PayPal, GoCardless, Square and Braintree.
Only onFact integrates with Exact Online, SnelStart, Yuki, WooCommerce, Shopify, Mailchimp and Dropbox.

Side by side

Invoice Ninja compared with onFact
	Invoice Ninja	onFact
Price	Free plan	Free plan, paid from €18/month
Support in Dutch	Unknown	✓ Yes
App in Dutch	Unknown	✓ Yes
Data in the EU	Unknown	✓ Yes
Data processing agreement	✓ Yes	Unknown
iDEAL	Unknown	✓ Yes
Peppol e-invoices	✓ Yes	✓ Yes
Company in the Netherlands	✕ No	✕ No
Integrations	Mollie, Stripe, PayPal, GoCardless, Square, Braintree	Exact Online, SnelStart, Yuki, Mollie, WooCommerce, Shopify, Mailchimp, Dropbox
Free trial	None	14 days
Stackwijs verdict	No verdict yet	No verdict yet
User reviews	No reviews yet	No reviews yet
For whom	freelancers, SMEs	freelancers, SMEs

Facts checked on 3 November 2026 on the vendors' websites.

Invoice Ninja or onFact: questions

What is the difference between Invoice Ninja and onFact?

Only Invoice Ninja integrates with Stripe, PayPal, GoCardless, Square and Braintree. Only onFact integrates with Exact Online, SnelStart, Yuki, WooCommerce, Shopify, Mailchimp and Dropbox.

Which one do you choose?

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Invoice Ninja

Open-source invoicing with quotes, recurring invoices and many payment providers, also self-hostable.

Suits technical freelancers who want open-source invoicing, possibly self-hosted, with Mollie or Stripe for payments.

Price: Free plan
Try it: Free plan
NL check: 2 of 7

View Invoice Ninja

On the Invoice Ninja website

onFact

Online invoicing and quotes with Peppol in every plan, including free, and payment via Mollie.

Suits freelancers (zzp) who want to start free with invoices via Peppol and later connect to Exact Online or SnelStart.

Price: Free plan, paid from €18 /month excl. VAT
Try it: 14 days free
NL check: 5 of 7

View onFact

On the onFact website

Also compare

All invoicing tools compared

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