How many ecommerce stores use Klarna?

We currently observe Klarna running on 6,036 ecommerce stores, most of them on Shopify.

Yes — across the stores we observe, 23 more confirmed installs than removals over the past 90 days.

Is Klarna well reviewed?

Klarna holds an average rating of 1.2 out of 5 across 4 reviews.

Which notable stores use Klarna?

High-ranked stores where we've observed Klarna include bild.de, eu.com, msi.com, guinnessworldrecords.com, fourseasons.com. We track 6,036 stores running it in total.

What features does Klarna offer?

Klarna's App Store listing covers Payment experience.

What is Klarna commonly used with?

Stores running Klarna most often also run Klaviyo, Judge.me, Microsoft Clarity.

What platforms is Klarna used on?

Klarna's observed install base spans Shopify (91%), PrestaShop (4%), WooCommerce (3%).

How much does Klarna cost?

Free to install. Plans: Free (Free to install).

Klarna Usage: 6,036 Stores & Market Data

Name: Klarna
Availability: InStock
Rating: 1.2 (4 reviews)
Author: Klarna

Klarna usage & market intelligence

OngoingAI has observed Klarna on 6,036 ecommerce stores across 6 platforms.

Among 67,018 stores continuously observed over the last 30 days, Klarna penetration moved 3.2% → 3.3%.

Compare Klarna alternatives

Stores observed

6,036

Ecommerce stores where OngoingAI has observed it

Shopify adoption

91%

5,479 Shopify stores

Shopify rating

1.2 ★

4 reviews

Last checked Sep 15, 2026

Adoption movement

Installs and removals confirmed across repeat observations of the stores OngoingAI tracks

Growing — 23 more confirmed installs than removals over the past 90 days.

Window	Confirmed installs	Confirmed removals	Net	Newly observed
Last 30 days	93	70	+23	3,835
Last 90 days	93	70	+23	6,055

Newly observed counts first appearances of Klarna in OngoingAI's corpus — discovery, not necessarily a new install. Confirmed figures require the store to be seen with, then without, the app (or the reverse) across consecutive comparable scans.

Klarna adoption by ecommerce platform

Platforms used by stores where OngoingAI has observed Klarna

6,036stores

Shopify5,479 stores · 91%

91%

PrestaShop265 stores · 4%

WooCommerce163 stores · 3%

Magento (Adobe Commerce)64 stores · 1%

BigCommerce47 stores · 1%

OpenCart26 stores · 0%

Notable stores using Klarna

Observed installs, highest-ranked first

Store	Traffic rank	Cohort
marktplatz.bild.de	#762	Top 1K
atoleajewelry.eu.com	#941	Top 1K
uk-store.msi.com	#3,333	Top 10K
sandboxshop.guinnessworldrecords.com	#5,817	Top 10K
shop.fourseasons.com	#6,211	Top 10K
ca-store.govee.com	#8,248	Top 10K
ie.eufy.com	#9,955	Top 10K
botslab.com	#11,103	Top 25K
ch.ecoflow.com	#11,336	Top 25K
supercallstore.eu.cc	#12,981	Top 25K

Showing 10 of 6,036 stores we track running Klarna.

Get the full list

Pricing

Free to install

FreeFree to install

What does Klarna do?

Grow your business with Klarna’s flexible payment options—pay in full, pay later or financing. Klarna gives your customers more choice at checkout,...

Convert traffic, not just clicks
Reach new shoppers: access 100M+ high-intent customers globally
Easy to integrate: no disruption to existing systems during setup

Features

Payment experience

Review history

Daily review count on the Shopify App Store

4±0 · 30d· Rating steady at 1.2★

Aug 17Sep 15

Daily tracking from Aug 10, 2026 through today · 30 days observed · sign up free for the full history →

Category rankings

Live organic position on Shopify App Store category pages

Payment experience#7▼1

Tracked daily · last 30 days · as of 2026-09-15

Catalog position

Within Payment experience on the App Store

Rank by reviews: #14 of 93
Review percentile: 86th
Rating percentile: 71th
On the App Store: 4.5 yrs

Commonly used with

Share of Klarna stores that also run each app

Klaviyo2,929 stores

49%

Judge.me1,479 stores

25%

Microsoft Clarity1,330 stores

22%

Trustpilot1,219 stores

20%

Instafeed (Mintt Studio)1,074 stores

18%

Shopify Inbox939 stores

16%

Google Ads647 stores

11%

Shopify Forms585 stores

10%

Apps similar to Klarna

The App Store's own "more apps like this" for Klarna

Afterpay On‑Site Messaging

3.0(55)

Free

UnumPay

4.8(39)

Free to install

PayRules: Hide Payment Methods

4.9(97)

Free plan available

Frequently asked questions

Grow your business with Klarna’s flexible payment options—pay in full, pay later or financing. Klarna gives your customers more choice at checkout,... It's a payment experience tool for ecommerce stores.