Softwr

Accounting · head to head

Polar vs Billit

Polar logo

Polar

Accounting

Billing and revenue platform for AI and infrastructure companies

From
Free
Rated
-
Full reviewWebsite
Billit logo

Billit

Accounting

Belgian invoicing and accounting software with Peppol e-invoicing

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Polar percentage-based fees higher than some specialized processors for high-volume transactions; Billit annual billing required to get approximately 15% discount (one free month included)

Where they differ

Only the attributes on which Polar and Billit actually diverge.

Attributes where Polar and Billit differ
AttributePolarBillit
Pricing modelPercentage of transaction plus per-transaction feesubscription
PlatformsWeb, APIWeb

Identical on both: starting price (Free), free tier (Yes), 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 Polar

  • Usage Billing
  • Subscriptions
  • Seat Management
  • Prepaid Credits
  • Hosted Checkout
  • Cost Insights
  • Merchant of Record

Only in Billit

Nothing recorded that Polar does not also cover.

What people use each for

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

Polar

  • Billing for token and API call consumption by LLM applicationsnot Billit
  • Managing tiered pricing for infrastructure usage-based servicesnot Billit
  • Handling subscription and usage hybrid modelsnot Billit
  • Monetizing AI APIs with usage metering and creditsnot Billit

Billit

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

Where each one falls short

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

Polar

  • Percentage-based fees higher than some specialized processors for high-volume transactions
  • Merchant of record model may not suit companies preferring direct payment control
  • Free Starter tier limited with 5% fees reducing appeal for production use
  • Setup and integration effort required despite API simplicity

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

Pricing, plan by plan

Polar

Free
  • StarterFree
    • 5% + $0.50 per transaction
    • Free tier for testing
    • Basic features
  • Pro$20/month
    • 3.8% + $0.40 per transaction
    • Full platform access
    • Cost insights
  • Growth$100/month
    • 3.6% + $0.35 per transaction
    • Priority support
    • Volume benefits
  • Scale$400/month
    • 3.4% + $0.30 per transaction
    • Dedicated support
    • Custom integration

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

Which should you pick?

Choose Polar if

  • You need usage billing.
  • You want to start without paying.
  • You work on Web, API.
  • You also want subscriptions.
Polar review

Choose Billit if

  • You want to start without paying.
Billit review

Questions people ask

Is Polar or Billit better?
Neither clearly leads. Polar starts at Free and Billit at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Polar or Billit?
Polar starts at Free and Billit at Free.
Does Polar or Billit run on more platforms?
Polar runs on Web, API. Billit runs on Web.
Can I use Polar for free?
Both have a free tier, so you can try either at no cost before committing.
What is Polar best used for?
Polar is most often used for billing for token and api call consumption by llm applications, managing tiered pricing for infrastructure usage-based services, handling subscription and usage hybrid models, monetizing ai apis with usage metering and credits. Of those, billing for token and api call consumption by llm applications and managing tiered pricing for infrastructure usage-based services are not what Billit is typically brought in for.
What can Polar do that Billit cannot?
Polar covers Usage Billing, Subscriptions, Seat Management, Prepaid Credits.

Answered from the vendors’ own pages

Polar: Do you handle international payments and taxes?

Yes, Polar acts as merchant of record in 100+ markets, handling payment processing, tax collection, and compliance automatically.

Source
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
Polar: Is there a free tier?

Yes, the Starter plan is free and charges 5% + $0.50 per transaction, ideal for testing and early-stage development.

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
Polar: Do you offer discounts for startups?

Yes, the Startup Program provides the Scale plan free for 12 months for early-stage AI companies.

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
Share

Related pages

More on Polar

More on Billit

Keep looking

Other head to heads