FastSpring vs. Heartland Payment Processing Comparison Chart

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. Get started in minutes with transparent pricing, no hidden fees, and no lock-in contract.

Nue is the #1 Revenue Lifecycle Platform on Salesforce designed to meet the GTM, subscription management and billing needs of the modern business. Configure dynamic pricing. Sell on any channel (self-service + direct sales + in-app). Expand customer revenue and manage renewals. Know exactly what to bill and when. With Nue, RevOps teams can rapidly deploy opportunity-to-cash processes for direct and self-service sales – all the while delivering complete, accurate analytics to Finance. Nue is built for high growth SaaS companies looking for a new way to manage their revenue flows end-to-end that’s not a rigid, IT-heavy CPQ or billing solution.

The first scalable monetization platform, for the modern billing stack. Eliminate risk, retain focus, and power more pricing and packaging options with less code. A monetization platform is a standalone middleware that sits between your application and your business applications, as part of the modern enterprise billing stack. Stigg unifies all the APIs and abstractions billing and platform engineers had to build and maintain in-house otherwise. Acting as your centralized source of truth, with a highly scalable and flexible entitlements management, rolling out any pricing and packaging change is now a self-service, risk-free, exercise. Stigg gives engineers fine-grained control over what can be packaged and priced separately. You can set limits and govern your customers’ commercial permissions at the feature level, abstracting away complex billing concepts from your code. Entitlements are the modern way to software monetization and truly flexible hybrid pricing.

WooCommerce is a highly customizable, open-source ecommerce platform built on WordPress that empowers businesses to create unique online stores. It supports millions of online shops worldwide, offering flexibility without limits on design or functionality. WooCommerce provides a broad ecosystem of trusted extensions and themes to enhance store features and user experience. The platform integrates seamlessly with payment gateways, marketing tools, and shipping providers. WooCommerce enables merchants to sell products both online and in-person while managing inventory and orders in one place. Its developer-friendly environment allows building tailored ecommerce solutions.

Build a business that’s ready for anything. Meet the flexible, open SaaS platform leading a new era of ecommerce. Explore limitless possibilities to Build, Innovate and Grow. Start with the rock-solid foundation of a powerful ecommerce platform. Spark creativity and craft beautiful store experiences with design tools that know no bounds. Tame operational complexity with an easy-to-use, secure platform that's up when you need it most. Deliver lightning-fast commerce experiences that keep your customers coming back for more. Turn impossible commerce experiences into reality with the flexibility of open SaaS. Seize market opportunities and unleash new experiences at the speed of your business. Craft content-rich experiences anywhere your audience takes you. Make unifying your backend or powering up with third-party apps a breeze. Scale and grow smarter without complexity holding you back.

The new standard in online payments. Stripe is the best software platform for running an internet business. We handle billions of dollars every year for forward-thinking businesses around the world. Stripe builds the most powerful and flexible tools for internet commerce. Whether you’re creating a subscription service, an on-demand marketplace, an e-commerce store, or a crowdfunding platform, Stripe’s meticulously designed APIs and unmatched functionality help you create the best possible product for your users. Millions of the world’s most innovative technology companies are scaling faster and more efficiently by building their businesses on Stripe. We believe that payments is a problem rooted in code, not finance. We obsessively seek out elegant, composable abstractions that enable robust, scalable, flexible integrations. Because we eliminate needless complexity and extraneous details, you can get up and running with Stripe in just a couple of minutes.

Datagate is a SaaS, telecom billing solution for MSPs that sell UCaaS, VoIP, mobile voice & data services under their own brand. Datagate integrates with popular software systems that MSPs use including ConnectWise Manage, QuickBooks, Xero, Stripe, Authorize.net and others. Suitable for MSPs in USA, Canada, UK, Australia and New Zealand; Datagate & partners handle all telecom tax & compliance requirements.

QuickFee (ASX: QFE) is a leading provider of payments, financing, and accounts receivable automation solutions for professional services firms, including 40% of the IPA Top 300 firms. Our platform is designed to streamline the Accounts Receivable process and accelerate revenue growth by integrating multiple online payment options and powerful invoicing tools within your practice management system. With QuickFee, firms can significantly reduce aging receivables, improve cash flow, and increase client spending. Clients can easily make payments using credit or debit cards, ACH/EFT transfers, or QuickFee's exclusive financing solution that allows them to spread payments over 3 to 12 months—while firms receive full payment upfront without incurring additional costs. Operating in the United States and Australia, QuickFee focuses on delivering scalable and affordable solutions backed by exceptional customer service.

Melio is an accounts payable tool built to simplify bill payments, boost workflow efficiency, and optimize cash flow for businesses of all sizes. To get started, enjoy 90% off any premium plan for the first three months. Pay vendors online through bank transfers or credit/debit cards, even if they typically accept checks—Melio manages the manual work for you. Effortlessly integrate with QuickBooks and Xero to ensure your financial records stay current. With Melio, pay by bank transfer or card to extend cash flow and earn rewards. Adding vendor or bill details is a breeze—input them manually, upload files, or take a photo of invoices. Schedule payments to align with your cash flow, and let Melio handle the rest. International vendor payments are made easy by paying in their local currency for products and services your business needs. The Melio mobile app, available for iOS and Android, lets you monitor and manage payments anytime, giving you full control over your finances to

Thinkific is an easy-to-use platform that enables individuals, training companies, academies, and businesses to sell learning experiences at scale. It provides a world-class user experience for both customers and their students, offering a range of customizable tools to create engaging learning experiences, manage content, track progress, and turn knowledge into powerful educational content. Thinkific’s mid-market solution, Thinkific Plus, is designed for larger organizations that need more advanced features, scalability, and control. It offers e-commerce solutions, high levels of customization, including branded learning portals, advanced reporting, integrations with enterprise systems (like CRM and marketing platforms), and dedicated customer support. Thinkific Plus allows for managing multiple admins, streamlined user management, and enhanced security, making it ideal for companies with large teams or complex needs looking to deliver consistent, high-quality training at scale.