What is klarna app

Last updated: April 1, 2026

Quick Answer: Klarna is a digital payment app and buy now, pay later (BNPL) service that lets customers split purchases into interest-free installments. The Swedish fintech company partners with online retailers to offer flexible payment options at checkout.

Key Facts

What is Klarna?

Klarna is a fintech company that revolutionized the retail payment landscape by introducing the buy now, pay later (BNPL) model to mainstream consumers. The app and service allow shoppers to purchase items immediately while spreading payments over time, typically without interest. Founded in Sweden in 2005, Klarna has expanded globally and now serves over 150 million users across Europe, North America, and Australia.

How Klarna Works

When shopping at a Klarna partner retailer online, customers select Klarna as their payment method at checkout. The app instantly evaluates creditworthiness using proprietary algorithms and machine learning, typically providing approval decisions within seconds. Customers can choose various payment plans: split into four equal installments due every two weeks (Klarna's signature offering), or extend payments over several weeks with flexible scheduling. Most plans carry zero interest, making them attractive compared to traditional credit cards.

Partnership Model

Klarna operates by partnering with e-commerce retailers, marketplaces, and brands. These merchants integrate Klarna's payment solution into their checkout systems, offering it as an alternative payment method alongside traditional credit cards and digital wallets. When a customer uses Klarna, the merchant receives full payment upfront from Klarna, while the fintech company assumes responsibility for collecting installments from the customer. This model incentivizes customer acquisition and reduces cart abandonment for retailers.

The Standalone App

Beyond the payment integration at checkout, Klarna offers a dedicated mobile app that serves as a shopping and financial management platform. The app aggregates deals and discounts from thousands of partner stores, provides purchase tracking and management, sends personalized shopping recommendations, and allows users to manage their payment plans. The app also features a shopping browser that lets users discover products across partner retailers with Klarna payment options highlighted.

Safety and Regulations

Klarna operates under strict financial regulations and holds licenses in various jurisdictions. The company implements security measures including encryption, fraud detection, and regulatory compliance protocols. As a lender, Klarna conducts credit assessments but typically offers a gentler alternative to traditional credit, making it accessible to broader customer segments. However, users should understand that missed payments can affect credit scores and that overspending through BNPL services can lead to debt accumulation.

Related Questions

Is Klarna free to use?

Klarna is free for customers who make payments on schedule. No interest or hidden fees apply to most plans if paid on time. However, late payment fees apply if installments are missed, and some payment plan options may carry fees.

Does Klarna affect your credit score?

Klarna typically performs a soft credit check that doesn't impact your score when assessing eligibility. However, missed payments are reported to credit bureaus and can negatively affect your credit score, just like traditional debt.

What retailers accept Klarna?

Klarna partners with thousands of retailers globally including fashion brands, electronics stores, home goods retailers, and marketplaces. You can use Klarna at checkout on partner websites or through the Klarna app's shopping features.

Sources

  1. Wikipedia - Klarna CC-BY-SA-4.0
  2. Klarna Official Website Organization