Softwr

Accounting · head to head

Fiken vs Polar

Fiken logo

Fiken

Accounting

Norwegian accounting software for sole proprietors and small companies

From
219/month
Rated
-
Full reviewWebsite
Polar logo

Polar

Accounting

Billing and revenue platform for AI and infrastructure companies

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Polar has a free tier, so it costs nothing to try first.
  • Each has a real cost: Fiken bank integration available only as add-on (69 NOK/month); Polar percentage-based fees higher than some specialized processors for high-volume transactions
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Fiken and Polar actually diverge.

Attributes where Fiken and Polar differ
AttributeFikenPolar
Starting price219/monthFree
Pricing modelsubscriptionPercentage of transaction plus per-transaction fee
Free tierNoYes
PlatformsWebWeb, API

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 Fiken

Nothing recorded that Polar does not also cover.

Only in Polar

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

What people use each for

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

Fiken

  • Solo accounting and invoicing for small businessesnot Polar
  • Multi-user accounting collaboration at no extra costnot Polar
  • Invoice management with EHF e-invoice supportnot Polar
  • Bank integration for transaction trackingnot Polar

Polar

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

Where each one falls short

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

Fiken

  • Bank integration available only as add-on (69 NOK/month)
  • Project accounting requires separate add-on (69 NOK/month)
  • Payroll and employee features cost extra (69 NOK/month)
  • Physical mail invoicing costs 25 NOK per invoice

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

Pricing, plan by plan

Fiken

219/month
  • Base Plan$219/month
    • Complete accounting functionality
    • Unlimited invoice sending via email and EHF
    • Unlimited user accounts

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

Which should you pick?

Choose Fiken if

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

Fiken review

Choose Polar if

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

Questions people ask

Is Fiken or Polar better?
Neither clearly leads. Fiken starts at 219/month and Polar at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Fiken or Polar?
Polar has a free tier; the other does not. Paid plans start at 219/month for Fiken and Free for Polar.
Does Fiken or Polar run on more platforms?
Fiken runs on Web. Polar runs on Web, API.
Can I use Polar for free?
Yes. Polar has a free tier, so you can try it without paying. Fiken starts at 219/month.
What is Fiken best used for?
Fiken is most often used for solo accounting and invoicing for small businesses, multi-user accounting collaboration at no extra cost, invoice management with ehf e-invoice support, bank integration for transaction tracking. Of those, solo accounting and invoicing for small businesses and multi-user accounting collaboration at no extra cost are not what Polar is typically brought in for.
What can Fiken do that Polar cannot?
Polar covers Usage Billing, Subscriptions, Seat Management, Prepaid Credits.

Answered from the vendors’ own pages

Fiken: Is there a free trial for Fiken?

Yes, Fiken offers a 30-day free trial with no credit card required. After the trial, the base plan costs 219 NOK per month.

Source
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
Fiken: Do additional users cost more on Fiken?

No, Fiken includes unlimited user accounts at no extra cost on the base plan.

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
Fiken: What add-ons are available and how much do they cost?

Monthly add-ons include bank integration, project accounting, KID number system, and API access (69-99 NOK each). Time tracking, payroll, and expense reimbursements also cost 69 NOK per month. Annual tax filing costs 1,290 NOK for sole proprietors or 1,590 NOK for limited companies.

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
Fiken: What are the per-transaction costs?

SMS invoicing costs 3 NOK, e-invoicing via Vipps costs 5 NOK, physical mail invoicing costs 25 NOK, and credit checks cost 15 NOK per transaction.

Source
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