Compare the Top Checkout Apps in the USA as of March 2026

What are Checkout Apps in the USA?

Checkout apps for ecommerce enhance the shopping experience by streamlining payments while offering valuable features like upselling and loyalty program integration. These apps simplify transactions with tools like one-click checkout, saved payment options, and support for various payment methods, including digital wallets and installment plans. They also enable retailers to increase revenue by showcasing complementary products or services during the checkout process, boosting average order value. Loyalty program integration encourages repeat purchases by allowing customers to earn and redeem rewards seamlessly. Additionally, these apps enhance security with fraud prevention measures and encryption, ensuring safe and reliable transactions for both customers and businesses. Compare and read user reviews of the best Checkout apps in the USA currently available using the table below. This list is updated regularly.

  • 1
    Sticky.io

    Sticky.io

    Sticky.io

    We make sure your online business runs smoothly beyond the buy button, so you can captivate consumers with next-level experiences. Sell how your customers want to buy with infinite order and checkout flexibility and provide ultimate control with self-service capabilities. Integrate disparate systems together to one single source of truth to create seamless customer experiences and manage your business at any volume. Put the power of consumer insights to work for real-time decision-making and turn one-time shoppers into forever fans. Launch new landing pages, sales funnels, products and promotions at lightning speed and combat fraud and churn to boost your bottom line.
  • 2
    Checkout X

    Checkout X

    Checkout X

    Checkout X is a robust e-commerce checkout solution that helps online stores drive revenue growth by eliminating friction and giving online shoppers the confidence and security they want to complete orders fast to give shoppers a frictionless checkout experience and merchants - a value-oriented product that takes care of their revenue. Checkout X multiplies your profits by introducing a better-converting, mobile-ready checkout process, seamless payments, post-purchase upsells, and much more. With Checkout X your shoppers can complete a purchase within 25 seconds where the industry average is 66 seconds. 3 out of 4 retailers start making more sales automagically, just by leveraging the power post-purchase upsells. Unlock the full capabilities of your payment service provider, tailor-made integrations for each one, multiple payment options, tracking info and more. Checkout X works with all your essential services for conversion tracking, order fulfillment, cart recovery, etc.
    Starting Price: €39 per month
  • 3
    Bolt

    Bolt

    Bolt Financial

    Bolt is a next-generation checkout platform designed to make online purchases faster, safer, and more intuitive. It uses an intelligent shopper network to recognize customers instantly and enable one-click, passwordless checkout. Bolt adapts in real time based on shopper behavior, preferences, and purchase history. The platform helps businesses reduce cart abandonment and increase repeat purchases. Bolt integrates seamlessly into existing ecommerce stacks without disrupting current workflows. Its identity-driven checkout builds trust and improves conversion rates across sites. Trusted by leading brands, Bolt turns checkout into a competitive advantage.
  • 4
    2Checkout

    2Checkout

    Verifone

    The 2Checkout Monetization Platform is comprehensive and flexible, so you can quickly pursue new market opportunities and deliver exceptional user experiences. The all-in-one monetization platform that maximizes your revenues and makes global digital sales easier. We enable merchants to accept mobile and online payments from buyers worldwide. Our payment processing is seamless, safe, reliable, no matter where you are on the map. This is the all-in-one monetization package that helps global businesses grow digital commerce revenue streams. Get in front of new customers worldwide via our niche affiliates from across the globe, and use our channel manager solution to multiply your global distribution network online. Reach out through the channels where your customers are buying.
    Starting Price: 4.5% + $0.45 per sale
  • 5
    Celery

    Celery

    Celery

    Celery is a platform for pre-orders and beyond. People use Celery for pre-orders, custom crowdfunding, and e-commerce. Use it to win at presales with high-conversion checkout and checkout as a seamless extension of your brand.
  • 6
    WooPayments

    WooPayments

    Automattic

    Run your business and manage your payments in one place with the solution built and supported by Woo. Accept online and in-person payments, track revenue, and handle all payment activity from your WooCommerce store’s dashboard with WooPayments. Maximize checkout conversion by providing buyers the payment methods that are most convenient and relevant to them. WooPayments gives your store flexibility to accept credit cards, debit cards, and express checkout options like WooPay. Give customers even more choice when you enable digital wallets such as Apple Pay and Google Pay. Meet your buyers where they are: WooPayments is available in 38 countries and accepts payments in 135+ currencies, no other extensions needed. Convert more sales by offering international buyers the convenience of shopping in local currency and payment methods like iDeal, P24, EPS, and Bancontact.
  • 7
    SecuraCart

    SecuraCart

    SecuraCart

    The Easy Way To Sell More Of Your Product Or Service Online. Grow revenue, process payments faster, and reduce development costs -- all with the click of a button. Start accepting payments in less than 5 minutes. With SecuraCart, collecting payments from your customers is easy. Get setup in minutes, even with no technical skills. No coding is required to start using our secure checkout forms. Your customers can checkout via mobile or desktop devices using any valid credit card. Match your brand. Looks great in front of you customers with a custom branded checkout experience. SecuraCart checkout forms use your company name, and your custom brand color to match your business. Easy to use even with no "tech skills". Get everything you need to streamline the checkout process for your customers. Solve your payment problems today, and quickly create new products that look amazing on desktop and mobile. Email or text your users the link to your product page and you're done.
  • 8
    Shop Pay

    Shop Pay

    Shop Pay

    Shop Pay remembers your important details, so you can fill carts, not forms. And everything is encrypted so you can speed safely through checkout. Pay in full at checkout or split your purchase into 4 equal installments at participating merchants. Now, you can offset the carbon emissions produced by your deliveries—for free. All you have to do is check out with Shop Pay, one of the first carbon-neutral ways to pay. You and your money are protected when you choose Shop Pay. Share your billing and shipping info once, and use your email address to tap through future purchases. Our servers meet strict industry standards (PCI Compliance) for vaulting credit and debit card info. Every personal detail you share with Shop is encrypted from end to end. Check out with Shop Pay and choose whether you pay in full or 4 equal installments* at participating merchants. Make debit or credit card payments every two weeks or turn on automatic payments.
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