Researched and Edited by Rajat Gupta
Last updated: May 18, 2026 · How we review
Payment Processing Software overview
Spotsaas tracks 139 products in Payment Processing Software, ranked by SpotScore — a blend of feature coverage, verified review ratings, and value. 8 let you start on a free trial, and 17 keep a free plan you can stay on. Most buyers here are Finance managers at subscription-based service companies evaluating secure and scalable payment solutions.
- 139
- products listed
- 8
- offer a free trial
- 17
- have a free plan
- 35
- priced per subscription
- 89
- quote on request
Editor's Summary · Payment Processing Software
Klarna dominates by volume with 154,488 ratings at 4.1/5, driven by global scale across consumer-facing checkout flows and buy-now-pay-later installment options, priced on quotation for merchant accounts. Balance draws strong satisfaction at 4.5/5 across 20,705 ratings and is particularly used by B2B marketplaces needing net terms, invoicing, and credit workflows built directly into the checkout experience. Opayo scores 4.7/5 across 4,139 ratings on a subscription model and is a consistent pick for UK-based merchants that need PCI-compliant card processing with predictable monthly costs.
Payment processing software handles the end-to-end movement of funds between buyers and sellers, covering authorization, settlement, fraud screening, and reconciliation across card, digital wallet, and ACH payment methods. Core buyers are e-commerce operators, marketplace platforms, and finance teams at mid-market companies managing multi-currency or cross-border transactions with complex settlement requirements.
Quick picks for Payment Processing Software
- Best overall — Klarna
- Best for B2B marketplaces with net terms — Balance
- Best for UK merchants on subscription pricing — Opayo
Who gets the most from Payment Processing Software
- 1Finance managers at subscription-based service companies evaluating secure and scalable payment solutions
- 2Payment operations leads at e-commerce platforms needing multi-channel payment acceptance and integration
- 3Sales directors at retail businesses seeking versatile payment methods including mobile and POS terminals
How to choose Payment Processing Software
If you prioritize security and scalability, filter by products with strong encryption and high availability features. For businesses requiring multi-channel payment acceptance, sort by those supporting diverse payment types like mobile, POS, and online. When transparency is key, filter by Free Trial or publicly available pricing, though most top products use quotation-based pricing.
Showing 121-139 out of 139

Add to compare
What is Braintree Direct?
Braintree's powerful, easy-to-use payment processing software gives you everything you need to accept payments from your customers and start doing business in minutes.This process payments for merchants so they can accept credit cards and other payment cards online, on mobile devices, and ...
Read more about Braintree DirectStarts from $0.30

PayPal Here
Empowering businesses with secure mobile payments.
Best for: SMB teams · Mid-market · Enterprise
Add to compare
What is PayPal Here?
PayPal makes online shopping (and in-store shopping) easy, safe and more secure wherever you want to accept payments. It is one of the most innovative mobile point-of-sale (mPOS) solutions available today.It is Designed to make business on the go easier than ever, PayPal Here is a credit card ...
Read more about PayPal HerePayPal Here offers custom pricing plan

Add to compare
What is Pin Payments?
Pin Payments is a feature-rich, secure, inexpensive, easy-to-install credit card processing application designed for small and e-commerce businesses.It is a very scalable and flexible platform that can operate with minimal staff overhead and provide the maximum security with rigorous PCI ...
Read more about Pin PaymentsPin Payments offers custom pricing plan

- Shortlisted in minutes, not days
- Matched to your business
- Trusted by 2M+ software buyers every year
Step 1 of 4
How big is your team?
We tailor recommendations to companies your size.

Add to compare
What is Swipesum?
Swipesum's PayFlow payment processing software is the perfect solution for small business owners who want to process credit and debit cards through their website or mobile app while keeping their overall costs low. Offering an easy-to-use, cloud-based platform with full accounting capabilities ...
Read more about SwipesumStarts from $25/analysis, also offers free forever plan

Add to compare
What is Square Payments?
Square Payments is a mobile and in-person payment processing solution used by small business owners — independent retailers, food vendors, and service providers — to accept card payments via smartphone or tablet without dedicated point-of-sale hardware. It combines a free card reader, simple ...
Read more about Square PaymentsSquare Payments offers custom pricing plan

GoCardless
Collect recurring payments straight from bank accounts.
Best for: SMB teams · Mid-market · Enterprise
Add to compare
What is GoCardless?
GoCardless is a bank payment platform for collecting recurring payments directly from customers' bank accounts, using Direct Debit, ACH, Bacs, SEPA and open banking rather than card networks. It is built for subscriptions, invoicing, instalments and any business billing the same customers ...
Read more about GoCardless
Add to compare
What is WePay?
WePay is an all-in-one payment processing software. The platform enables merchants of all sizes, from small to large, to process credit and debit cards, online and offline payments in a number of different countries. We Pay can integrate with a variety of platforms that include Salesforce ...
Read more about WePayChargezoom
Effortless payment processing for your business.
Best for: SMB teams · Mid-market · Enterprise
Add to compare
What is Chargezoom?
ChargeZoom is a payment processing solution that makes accepting credit card payments easy. Our advanced online software and mobile app allow our clients to process payments from their own websites and mobile apps, using highly secure methods of encryption and proprietary processes. ChargeZoom ...
Read more about ChargezoomStarts from $20/Month, also offers free forever plan

Genome Wallet
Streamline your e-commerce payments seamlessly.
Best for: SMB teams · Mid-market · Enterprise
Add to compare
What is Genome Wallet?
Genome is an all-in-one financial platform offering online IBAN accounts, multi-currency wallets, SEPA Instant transfers, SWIFT payments, Visa cards, and secure merchant payment solutions. Business accounts Open dedicated online business IBAN accounts for your company with a fully digital ...
Read more about Genome WalletStarts from 10/month when Billed Monthly

Add to compare
What is Balance?
Balance is a B2B payment processing platform used by online merchants and marketplaces to support net terms, milestone-based billing, and flexible payment options at checkout — capabilities that standard consumer payment processors do not handle natively. It solves the problem of business ...
Read more about BalanceBalance offers custom pricing plan

Amazon Pay
Convenient payment processing for your Amazon sales.
Best for: SMB teams · Mid-market · Enterprise
Add to compare
What is Amazon Pay?
Amazon Pay is a payment processing service for sellers on the Amazon marketplace that withdraw funds directly into your bank account. It is easy to use and works seamlessly with the millions of global Pay with Amazon customers already using the service for products and in-app purchasing in ...
Read more about Amazon PayStarts from $0.30

Venmo for Business
Streamlining business transactions, one click at a time.
Best for: SMB teams · Mid-market · Enterprise
Add to compare
What is Venmo for Business?
Venmo for Business is a powerful next-generation solution that provides merchants with the ability to process credit and debit cards, as well assist with customer service, sales, marketing, and informational data. Based upon a robust and powerful platform, Venmo is a Software-as-a-Service ...
Read more about Venmo for BusinessVenmo for Business offers custom pricing plan

Add to compare
What is Opayo?
The Opayo Payment Processing Software is a cloud-based solution offered to merchants that provide you with the tools to accept all forms of payment online. With powerful features such as automated recurring billing and advanced reporting, you can breathe easier knowing your business is ...
Read more about Opayo
Add to compare
What is NuovoPay?
NuovoPay is a payment processing software as a service (SaaS) that allows merchants to accept credit cards from the comfort of their desktop. This service offers tiered pricing options, no monthly or start-up fees, a PCI certified merchant account, and payouts via either PayPal or direct check ...
Read more about NuovoPay
Limonetik
Effortlessly process payments and manage your business.
Best for: SMB teams · Mid-market · Enterprise
Add to compare
What is Limonetik?
Limonetik is the software that you can use to process payments and manage your business. The software will help you collect info from customers and allows you to process credit cards. The customers will be able to view their statements online, download invoices and export their statements so ...
Read more about LimonetikLimonetik offers custom pricing plan

PayOp
Seamless payment processing for simplified transactions.
Best for: SMB teams · Mid-market · Enterprise
Add to compare
What is PayOp?
PayOp is an integrated payment processing software solution designed to be used without a complicated layered technology infrastructure. It turns your debit and credit card terminal into a complete point-of-sale (POS) system by leveraging the framework, processes, and personnel you already have ...
Read more about PayOpPayOp offers custom pricing plan

Add to compare
What is BluePay?
BluePay is a payment processing application that enables you to integrate various payment methods into your online or physical store. It supports authorization, capture and refunds and the ability to process customer payments directly on-site via a hardware key or by entering information on ...
Read more about BluePayBluePay offers custom pricing plan

Add to compare
What is PayU?
PayU is an online payment processing platform used by e-commerce merchants and online businesses in emerging markets — particularly India, Eastern Europe, and Latin America — to accept credit and debit card payments from customers. It provides a payment gateway and merchant account in a single ...
Read more about PayUPayU offers custom pricing plan

Add to compare
What is Stripe Payments?
Stripe Payments is the most powerful and flexible way to accept payments on the web. It is a simple way to accept credit cards on your website, in your mobile app, or wherever payments are made. In addition to accepting payments online, Stripe provides you with all the tools you need to ...
Read more about Stripe PaymentsStripe Payments offers custom pricing plan
Related to Payment Processing Software
Looking to replace a Payment Processing Software tool?
Each round-up compares that product against the closest options on features, pricing and user ratings.











