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E-Commerce · head to head

Klarna vs Spree Commerce

Klarna logo

Klarna

E-Commerce

Buy now pay later and instalment checkout for online and in-store merchants

From
On request
Rated
-
Full reviewWebsite
Spree Commerce logo

Spree Commerce

E-Commerce

Complete open source ecommerce solution

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Spree Commerce has a free tier, so it costs nothing to try first.
  • Each has a real cost: Klarna merchant fees for the short-term products run around 5.99% plus a fixed fee in the United States, roughly double a standard card rate, so unless Klarna measurably lifts average order value or conversion it is a straight margin loss.; Spree Commerce multi-vendor marketplace, B2B commerce and multi-tenant white label modules are Enterprise Edition only and licensed separately from the open source core
  • They diverge on capability: Klarna covers Pay in 4, Spree Commerce covers Multi-store support.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Klarna and Spree Commerce actually diverge.

Attributes where Klarna and Spree Commerce differ
AttributeKlarnaSpree Commerce
Starting priceOn requestFree
Pricing modelquotefreemium
Free tierNoYes
PlatformsWeb, iOS, AndroidWeb
FoundedUnknown2007

Identical on both: user rating (Not yet rated), category (E-Commerce).

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 Klarna

  • Pay in 4
  • Pay in 30 days
  • Longer-term financing
  • Klarna app placement
  • Klarna Checkout
  • In-store payments
  • On-site messaging
  • Merchant portal

Only in Spree Commerce

  • Multi-store support
  • Multi-currency
  • Multi-language
  • REST API
  • GraphQL support
  • Mobile-ready
  • SEO optimization
  • Flexible taxonomy

What people use each for

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

Klarna

  • A fashion or furniture retailer with average order values high enough that a 3% fee uplift is repaid by a larger basketnot Spree Commerce
  • A merchant selling to younger shoppers who have low credit card penetration and would otherwise abandon at checkoutnot Spree Commerce
  • A European retailer wanting a single hosted checkout that handles instalments, invoice and card in one flownot Spree Commerce
  • A brand that wants distribution inside Klarna's shopping app as an acquisition channel rather than only a payment optionnot Spree Commerce

Spree Commerce

  • E-commerce platforms with zero platform fees and no vendor lock-innot Klarna
  • Self-hosted shopping experiences on AWS, GCP, Azure, or on-premise infrastructurenot Klarna
  • Deployments requiring predictable costs that don't scale with revenuenot Klarna

Where each one falls short

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

Klarna

  • Merchant fees for the short-term products run around 5.99% plus a fixed fee in the United States, roughly double a standard card rate, so unless Klarna measurably lifts average order value or conversion it is a straight margin loss.
  • Rates are negotiated and unpublished, which means small merchants pay the standard rate while large ones negotiate down, and you cannot benchmark what you are being charged without going to market.
  • Returns and partial refunds are handled through Klarna's systems rather than your payment processor, so your finance team reconciles a second settlement flow and customer service handles a second dispute process.
  • Buy now pay later is being brought under consumer credit regulation in the UK, the EU and Australia, which is already changing affordability checks and disclosures; the checkout experience that converts today may be legally required to add friction.
  • Klarna owns the post-purchase relationship, sending payment reminders and marketing in its own name, so a shopper who has a poor collections experience associates it with your brand while you have no control over the messaging.

Spree Commerce

  • Multi-vendor marketplace, B2B commerce and multi-tenant white label modules are Enterprise Edition only and licensed separately from the open source core
  • Enterprise Edition pricing is quoted per customer depending on modules and scale, with no published rate
  • Support with guaranteed response times and a success manager comes only with Enterprise Edition
  • The free Community Edition is self hosted, so hosting, upgrades and Ruby on Rails maintenance are the operator's responsibility

Pricing, plan by plan

Klarna

On request
  • Klarna for Business$undefined/year
    • Per-transaction percentage plus a fixed fee, negotiated by merchant
    • No published rate card; rates vary by market, product and volume
    • Short-term products priced materially above card interchange

Spree Commerce

Free
  • Open SourceFree
    • Full platform access
    • Community support
    • All core features
  • Enterprise$undefined/month
    • Premium support
    • Custom development
    • SLA guarantees

Which should you pick?

Choose Klarna if

  • You need pay in 4.
  • You work on Web, iOS, Android.
  • You also want pay in 30 days.
Klarna review

Choose Spree Commerce if

  • You need multi-store support.
  • You want to start without paying.
  • You also want multi-currency.
Spree Commerce review

Questions people ask

Is Klarna or Spree Commerce better?
Neither clearly leads. Klarna starts at On request and Spree Commerce at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Klarna or Spree Commerce?
Spree Commerce has a free tier; the other does not. Paid plans start at On request for Klarna and Free for Spree Commerce.
Does Klarna or Spree Commerce run on more platforms?
Klarna runs on Web, iOS, Android. Spree Commerce runs on Web.
Can I use Spree Commerce for free?
Yes. Spree Commerce has a free tier, so you can try it without paying. Klarna starts at On request.
What is Klarna best used for?
Klarna is most often used for a fashion or furniture retailer with average order values high enough that a 3% fee uplift is repaid by a larger basket, a merchant selling to younger shoppers who have low credit card penetration and would otherwise abandon at checkout, a european retailer wanting a single hosted checkout that handles instalments, invoice and card in one flow, a brand that wants distribution inside klarna's shopping app as an acquisition channel rather than only a payment option. Of those, a fashion or furniture retailer with average order values high enough that a 3% fee uplift is repaid by a larger basket and a merchant selling to younger shoppers who have low credit card penetration and would otherwise abandon at checkout are not what Spree Commerce is typically brought in for.
What can Klarna do that Spree Commerce cannot?
Klarna covers Pay in 4, Pay in 30 days, Longer-term financing, Klarna app placement. Spree Commerce covers Multi-store support, Multi-currency, Multi-language, REST API.

Answered from the vendors’ own pages

Klarna: What does Klarna cost a merchant?

Klarna does not publish a rate card. In the United States most merchants pay around 5.99% plus $0.30 for short-term products, with longer-term financing nearer 3.29% plus $0.30, and large merchants negotiate lower.

Spree Commerce: Is Spree Commerce free?

Yes, Spree Commerce is free and open source under a BSD 3-Clause license. The core platform has zero platform fees and no GMV (Gross Merchandise Volume) cuts or transaction fees, and sandbox access is free without requiring a credit card.

Source
Klarna: Does the merchant carry the credit risk?

No. Klarna pays the merchant the full amount less fees and takes the risk of the shopper not paying.

Spree Commerce: What is Spree Commerce's pricing model?

Spree Commerce operates as free open-source software. Users self-host on their choice of infrastructure (AWS, GCP, Azure, or on-premise), so costs are based on the hosting infrastructure selected rather than platform subscription fees. An Enterprise Edition is available with optional dedicated support, but specific pricing is not published.

Source
Klarna: Can I use Klarna alongside my existing processor?

Yes. It is normally added as an additional payment method through Shopify, Adyen, Stripe or a direct integration rather than replacing your card acquirer.

Spree Commerce: Are there transaction fees with Spree Commerce?

No, Spree Commerce charges zero transaction fees. Unlike SaaS e-commerce platforms that take a percentage of sales, Spree offers predictable costs that don't scale with revenue, giving merchants full control over their margins.

Source
Klarna: Is Klarna still independent?

Yes. It listed on the New York Stock Exchange in September 2025 and holds a Swedish banking licence.

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