Is Billit or Karbon better?

Neither clearly leads. Billit starts at Free and Karbon at $59/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.

Which is cheaper, Billit or Karbon?

Billit has a free tier; the other does not. Paid plans start at Free for Billit and $59/month for Karbon.

Does Billit or Karbon run on more platforms?

Both run on Web, so platform support will not decide this one for you.

Can I use Billit for free?

Yes. Billit has a free tier, so you can try it without paying. Karbon starts at $59/month.

What is Billit best used for?

Billit is most often used for invoice generation and document management for freelancers and small businesses, e-invoicing and peppol compliance for european businesses, recurring billing and payment reminder workflows. Of those, invoice generation and document management for freelancers and small businesses and e-invoicing and peppol compliance for european businesses are not what Karbon is typically brought in for.

Accounting · head to head

Billit vs Karbon

Billit

Accounting

Belgian invoicing and accounting software with Peppol e-invoicing

From: Free
Rated: -

Full review Website

Karbon

Accounting

Practice management for accounting firms

From: $59/month
Rated: -

Full review Website

The short version

Only Billit has a free tier, so it costs nothing to try first.
Each has a real cost: Billit annual billing required to get approximately 15% discount (one free month included); Karbon monthly billing option only available for teams of 4 or more users
Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Billit and Karbon actually diverge.

Attributes where Billit and Karbon differ
Attribute	Billit	Karbon
Starting price	Free	$59/month
Free tier	Yes	No

Identical on both: pricing model (subscription), platforms (Web), user rating (Not yet rated), category (Accounting).

What people use each for

The jobs each tool is most often brought in to do.

Billit

Invoice generation and document management for freelancers and small businessesnot Karbon
E-invoicing and Peppol compliance for European businessesnot Karbon
Recurring billing and payment reminder workflowsnot Karbon

Karbon

Automating client document collection for tax practice intakenot Billit
Tracking all client requests in workflows tied to jobsnot Billit
Aligning hours worked with billable time per engagementnot Billit
Automating period close by connecting practice management to accountingnot Billit
Streamlining client document submission and approval workflowsnot Billit

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Billit

Annual billing required to get approximately 15% discount (one free month included)
Additional user seats cost €5 per user per month on top of plan price
Overage pricing per document decreases with tier, penalizing rapid growth within a tier

Karbon

Monthly billing option only available for teams of 4 or more users
Team plan at $59/month per user minimum cost may be expensive for smaller practices
No seat license discounts published; scaling costs linearly with user count

Pricing, plan by plan

Billit

Free

Starter$7.5/month
- Up to 25 documents per month
- Peppol e-invoicing
- Invoice customization
Growth$25/month
- Up to 500 documents per month
- All Starter features
- Additional documents: €0.25 per document
Professional$250/month
- Up to 1,000 documents per month
- All Growth features
- Additional documents: €0.15 per document
Enterprise$null/month
- 1,000+ documents per month
- Custom pricing

Karbon

$59/month

Team$59/month
- Per-user pricing
- Designed for small accounting firms
- Minimum team size of 4 for monthly billing
Business$89/month
- Per-user pricing
- Workflow automation
- Integrations for growing practices
Enterprise$null/mo
- Custom pricing
- Tailored for large accounting firms
- Dedicated support

Which should you pick?

Choose Billit if

You want to start without paying.

Billit review

Choose Karbon if

Nothing in the data separates Karbon from Billit on the points above - pick on price and on how each one feels to use.

Karbon review

Questions people ask

Is Billit or Karbon better?: Neither clearly leads. Billit starts at Free and Karbon at $59/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Billit or Karbon?: Billit has a free tier; the other does not. Paid plans start at Free for Billit and $59/month for Karbon.
Does Billit or Karbon run on more platforms?: Both run on Web, so platform support will not decide this one for you.
Can I use Billit for free?: Yes. Billit has a free tier, so you can try it without paying. Karbon starts at $59/month.
What is Billit best used for?: Billit is most often used for invoice generation and document management for freelancers and small businesses, e-invoicing and peppol compliance for european businesses, recurring billing and payment reminder workflows. Of those, invoice generation and document management for freelancers and small businesses and e-invoicing and peppol compliance for european businesses are not what Karbon is typically brought in for.

Answered from the vendors’ own pages

Billit: What does Billit Starter plan include and how much does it cost?

Billit Starter is €7.50 per month (or €22.92 per month with annual billing, roughly 15% off) and supports up to 25 documents per month. All plans include Peppol e-invoicing, invoice customization, quotes, mobile app, bank integration, and payment reminders. Extra documents over the limit cost €0.50 each.

Source

Karbon: How much does Karbon cost?

Karbon pricing starts at $59 per user per month (Team plan, billed annually) or $79 per user per month (monthly billing for 4+ users). Business plan is $89/month annual or $99/month monthly. Enterprise pricing is custom.

Source

Billit: How much does it cost to add team members to a Billit account?

The first user is included in your plan. Additional team members cost €5 per user per month. Bookkeepers and accountants can access the accountant portal for free.

Source

Karbon: Is there a discount for annual billing on Karbon?

Yes, Karbon offers annual billing at a discount compared to monthly. Team plan is $59/month annually versus $79/month monthly. Business plan is $89/month annually versus $99/month monthly.

Source

Billit: What is the difference between Billit Growth and Professional plans?

Billit Growth is €25/month for up to 500 documents monthly (€0.25 per overage). Professional is €250/month for up to 1,000 documents monthly (€0.15 per overage). Both include all features; the only differences are document limit and overage rates.

Source

Karbon: What is the minimum user requirement for monthly billing on Karbon?

Karbon requires a minimum team size of 4 users to access monthly billing. Teams smaller than 4 must choose annual billing.

Source

Billit vs Karbon

Billit

Karbon

The short version

Where they differ

What people use each for

Billit

Karbon

Where each one falls short

Billit

Karbon

Pricing, plan by plan

Billit

Karbon

Which should you pick?

Choose Billit if

Choose Karbon if

Questions people ask

Answered from the vendors’ own pages

Related pages

More on Billit

More on Karbon

Keep looking

Other head to heads