Is Karbon or Lago better?

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

Which is cheaper, Karbon or Lago?

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

Does Karbon or Lago run on more platforms?

Karbon runs on Web. Lago runs on Web, Cloud, Self-hosted, On-premise, VPC.

Can I use Lago for free?

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

What is Karbon best used for?

Karbon is most often used for automating client document collection for tax practice intake, tracking all client requests in workflows tied to jobs, aligning hours worked with billable time per engagement, automating period close by connecting practice management to accounting. Of those, automating client document collection for tax practice intake and tracking all client requests in workflows tied to jobs are not what Lago is typically brought in for.

What can Karbon do that Lago cannot?

Lago covers Real-time usage metering, Multiple pricing models, Automated invoicing, Prepaid credits.

Accounting · head to head

Karbon vs Lago

Karbon

Accounting

Practice management for accounting firms

From: $59/month
Rated: -

Full review Website

Lago

Accounting

Open-source billing infrastructure for usage-based models

From: Free
Rated: -

Full review Website

The short version

Only Lago has a free tier, so it costs nothing to try first.
Each has a real cost: Karbon monthly billing option only available for teams of 4 or more users; Lago free tier limited to 10,000 entities per month with 5M event cap

Where they differ

Only the attributes on which Karbon and Lago actually diverge.

Attributes where Karbon and Lago differ
Attribute	Karbon	Lago
Starting price	$59/month	Free
Pricing model	subscription	Freemium with optional paid tiers
Free tier	No	Yes
Platforms	Web	Web, Cloud, Self-hosted, On-premise, VPC

Identical on both: user rating (Not yet rated), category (Accounting).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Karbon

Nothing recorded that Lago does not also cover.

Only in Lago

Real-time usage metering
Multiple pricing models
Automated invoicing
Prepaid credits
Entitlements
Multi-currency support
Payment orchestration
Revenue analytics

What people use each for

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

Karbon

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

Lago

Building usage-based billing for high-volume APIs and infrastructurenot Karbon
Implementing metered billing for AI and tokenized servicesnot Karbon
Creating subscription and hybrid pricing modelsnot Karbon
Managing multi-currency billing for global companiesnot Karbon
Maintaining billing infrastructure without vendor lock-innot Karbon

Where each one falls short

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

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

Lago

Free tier limited to 10,000 entities per month with 5M event cap
No specific pricing published for Pro annual plan or Scale plan
Self-hosted and on-premise deployments require engineering resources
Community support only on free tier
Scale plan requires annual contracts and sales engagement

Pricing, plan by plan

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

Lago

Free

Build (Free)Free
- 10,000 managed entities per month
- 5M usage events per month
- 1K events per second rate limit
Pro$399/month
- 10,000 entities included (graduated pricing to 100K)
- 25M usage events included (to 500M with graduated rates)
- 10K events per second (upgradeable to 100K)
Scale$null/custom
- Custom entity and event volumes
- 50K events per second (upgradeable to 100K)
- RBAC and SSO (SAML)

Which should you pick?

Choose Karbon if

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

Karbon review

Choose Lago if

You need real-time usage metering.
You want to start without paying.
You work on Web, Cloud, Self-hosted, On-premise, VPC.
You also want multiple pricing models.

Lago review

Questions people ask

Is Karbon or Lago better?: Neither clearly leads. Karbon starts at $59/month and Lago at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Karbon or Lago?: Lago has a free tier; the other does not. Paid plans start at $59/month for Karbon and Free for Lago.
Does Karbon or Lago run on more platforms?: Karbon runs on Web. Lago runs on Web, Cloud, Self-hosted, On-premise, VPC.
Can I use Lago for free?: Yes. Lago has a free tier, so you can try it without paying. Karbon starts at $59/month.
What is Karbon best used for?: Karbon is most often used for automating client document collection for tax practice intake, tracking all client requests in workflows tied to jobs, aligning hours worked with billable time per engagement, automating period close by connecting practice management to accounting. Of those, automating client document collection for tax practice intake and tracking all client requests in workflows tied to jobs are not what Lago is typically brought in for.
What can Karbon do that Lago cannot?: Lago covers Real-time usage metering, Multiple pricing models, Automated invoicing, Prepaid credits.

Answered from the vendors’ own pages

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

Lago: Can I use Lago open-source for free?

Yes, Lago is open-source under the AGPLv3 license and can be self-hosted. The cloud-based Build plan is also free with limits of 10,000 entities and 5M events per month.

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

Lago: What payment providers does Lago integrate with?

Lago integrates with Stripe and Adyen for payment processing. It is not a payment processor itself but orchestrates payments through these providers.

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

Lago: Does Lago support multiple currencies?

Yes, Lago supports multi-currency billing with automatic currency conversion for global businesses.

Source

Karbon vs Lago

Karbon

Lago

The short version

Where they differ

What each one covers

Only in Karbon

Only in Lago

What people use each for

Karbon

Lago

Where each one falls short

Karbon

Lago

Pricing, plan by plan

Karbon

Lago

Which should you pick?

Choose Karbon if

Choose Lago if

Questions people ask

Answered from the vendors’ own pages

Related pages

More on Karbon

More on Lago

Keep looking

Other head to heads