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Payment processors software

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Payment processors are businesses that process electronic payment transactions for merchants. Payment processors authorize, route, and settle credit and debit card payments between banks and merchants. They serve as intermediaries between the customer’s bank and the merchant’s account, providing increased security and efficiency to the payment process. Common types of payment processors include PayPal, Stripe, Square, and Authorize.net.

This chart displays the market share of the top 10 Payment processors software in 2025, highlighting the most popular tools used by online merchants.1. PayPal leads with a notable 28.15% share.2. In second place, Stripe at 12.22% share.3. Meanwhile, Klarna Checkout at 9.12% share.
  1. PayPal31K-50K installs
    PayPal is an online payments system that supports online money transfers and serves as an electronic alternative to traditional paper methods like checks and money orders.
  2. Stripe11K-20K installs
    Stripe offers online payment processing for internet businesses as well as fraud prevention, invoicing and subscription management.
  3. Klarna Checkout11K-20K installs
    Klarna Checkout is a complete payment solution where Klarna handles a store's entire checkout.
  4. Recharge1K-10K installs
    Recharge is the a subscription payments platform designed for merchants to set up and manage dynamic recurring billing across web and mobile.
  5. SkyVerge1K-10K installs
    SkyVerge is a company which develop extension tools for WooCommerce stores.
  6. Amazon Pay1K-10K installs
    Amazon Pay is an online payments processing service that is owned by Amazon. It lets you use the payment methods associated with your Amazon account to make payments for goods and services.
  7. Affirm1K-10K installs
    Affirm is a loan company that allows users to buy goods or services offered by online merchants and pay off those purchases in fixed monthly payments.
  8. Sezzle1K-10K installs
    Sezzle offers a buy-now-pay-later solution.
  9. Square1K-10K installs
    Square is a mobile payment company that offers business software, payment hardware products and small business services.
  10. authorize.net1K-10K installs
    Authorize.net is a secure online payment gateway service that enables businesses to accept payments through various channels, such as ecommerce websites, mobile devices, and retail stores, providing a trusted platform for processing credit card and electronic cheque payments.
  11. Braintree1K-10K installs
    Braintree, a division of PayPal, specializes in mobile and web payment systems for ecommerce companies. Braintree provides clients with a merchant account and a payment gateway.
  12. Apple Pay1K-10K installs
    Apple Pay is a mobile payment and digital wallet service by Apple that allows users to make payments in person, in iOS apps, and on the web.
  13. Zip1K-10K installs
    Zip is a payment service that lets you receive your purchase now and spread the total cost over a interest-free payment schedule.
  14. Google Pay1K-10K installs
    Google Pay is a digital wallet platform and online payment system developed by Google to power in-app and tap-to-pay purchases on mobile devices, enabling users to make payments with Android phones, tablets or watches.
  15. Shop Pay1K-10K installs
    Shop Pay is an accelerated checkout that lets customers save their email address, credit card, and shipping and billing information so they can complete their transaction faster the next time they are directed to the Shopify checkout.
  16. Verifone 2Checkout501-1K installs
    Verifone is an American multinational corporation headquartered in Coral Springs, Florida, that provides technology for electronic payment transactions and value-added services at the point-of-sale.
  17. Scalapay501-1K installs
    Scalapay is a payment method for e-commerce merchants in Europe that allows customers to buy now and pay later (BNPL).
  18. Razorpay501-1K installs
    Razorpay is a provider of an online payment gateway that allows businesses to accept, process, and disburse payments.
  19. Aplazame501-1K installs
    Aplazame is a consumer credit company that provides instant financing service for online purchases. It combines an overtime payment method integrated at the ecommerce checkout with marketing tools to enable ecommerce to use financing as a promotional lever to boost sales.
  20. Afterpay301-500 installs
    Afterpay is a 'buy now, pay later' platform that makes it possible to pay off purchased goods in fortnightly instalments.

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