Best Checkout Apps for Klarna

Find and compare the best Checkout apps for Klarna in 2026

Use the comparison tool below to compare the top Checkout apps for Klarna on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    Shopaccino Reviews

    Shopaccino

    iSolution Microsystems

    $21.00/month
    5 Ratings
    Shopaccino is an industry-focused eCommerce platform built to solve real operational challenges faced by exporters, manufacturers, distributors, and D2C brands. Unlike generic one-size-fits-all systems, Shopaccino is designed specifically around the needs of structured and established businesses that require scalable, integrated, and automation-driven solutions. The platform enables businesses to manage B2B and B2C sales from a single system while expanding globally with multi-currency capabilities. Exporters can sell internationally, manufacturers and distributors can streamline wholesale and retail operations together, and D2C brands can scale with a fully branded website and native mobile app. Shopaccino offers built-in automation across inventory, payments, logistics, and multi-warehouse order fulfilment—ensuring smooth, end-to-end operational control. With zero transaction fees on the platform, businesses retain 100% of their earnings. Key capabilities include: • Unified B2B & B2C commerce management • Global selling with multi-currency checkout • Integrated inventory & multi-warehouse management • Native iOS & Android mobile apps for store front • Built-in loyalty & referral programs • Seamless payment gateway & logistics integrations • End-to-end operational automation and on-the-go business management Shopaccino empowers established businesses to scale efficiently, streamline operations, and manage growth with confidence. Start your free 14-day trial and experience a smarter way to run your eCommerce business.
  • 2
    Commerce Layer Reviews
    Commerce Layer is a composable ecommerce platform with native multi-market capability and works with any frontend - websites, mobile apps, IoT devices, voice-activated assistants, and more. Brands and agencies can either build world-class composable stores from the ground up with our API and developer tools, or they can embed our multi-market checkout and cart capabilities onto their existing stores.
  • 3
    Mollie Reviews

    Mollie

    Mollie

    €0.25 per transaction
    Mollie is a money management platform that powers growth for over 250,000 businesses – from startups to enterprises. It's a single platform to get paid and simplify your finances, with online and in-person payments, subscriptions, financing, reconciliation, invoicing and fraud prevention tools. Here's how Mollie can help your business: – Accept online and in-person payments and manage everything on one platform. – Increase conversion with 35+ payment methods, including global leaders and local favourites. – Boost revenue and build trust with an optimised checkout flow built to convert. – Use an all-in-one dashboard to manage payments, get insights, access funding, and streamline accounting. – Get paid faster by sending payment requests and branded invoices in just a few clicks. – Access fast, flexible business funding up to 350k with transparent pricing and flexible repayments. Get started today with transparent pricing, no hidden fees, and no lock-in contract.
  • 4
    Checkout X Reviews

    Checkout X

    Checkout X

    €39 per month
    Checkout X presents a comprehensive e-commerce checkout solution that empowers online retailers to enhance their revenue by removing barriers and instilling confidence and security in shoppers, enabling them to swiftly finalize their purchases and enjoy a seamless transaction experience. This innovative platform significantly boosts retailers' profits by offering a more effective, mobile-optimized checkout process, smooth payment options, and the potential for post-purchase upsells, among other features. With Checkout X, customers can finalize their orders in just 25 seconds, compared to the industry standard of 66 seconds, demonstrating a remarkable efficiency. Furthermore, approximately 75% of retailers experience increased sales automatically by utilizing the benefits of post-purchase upsells. The system allows businesses to fully harness the capabilities of their payment service providers, providing customized integrations, a variety of payment choices, and essential tracking information. Additionally, Checkout X seamlessly integrates with vital services for conversion tracking, order fulfillment, cart recovery, and more, ensuring a streamlined operation for online merchants. By choosing Checkout X, businesses can revolutionize their checkout process and significantly improve overall customer satisfaction and retention.
  • 5
    nShift Reviews
    We are the foremost authority in the management of parcel delivery and shipments, allowing our clients to enhance their customer experience and boost satisfaction levels. This comprehensive approach offers a wide array of delivery options, opens avenues for new revenue streams, and fosters sustainable delivery practices. By doing so, we empower our customers to pursue scalable and strategic growth, while simultaneously strengthening customer loyalty and enhancing overall experiences. Our automation of the entire delivery management process facilitates shipping to any location, making us a vital growth partner for businesses in e-commerce, retail, and industrial sectors. We focus on equipping our clients with the necessary tools to drive growth, improve capacity management, handle sales surges, and expand as they evolve. Our omnichannel solutions encompass various shopping methods, such as e-commerce, in-store purchases, home delivery, and click-and-collect services. Ultimately, we aim to create a frictionless buying and delivery experience that allows for one-click transactions, simplifying the process for both customers and businesses alike.
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