Best Free SaaS Billing Software

Transaction Cloud is the most efficient platform for Payments, SalesTax/VAT/GST compliance (collection, filing), Subscription Management, Recurring Billing, Invoicing and Fraud Detection. It is used by companies around the world to simplify their payment, tax, accounting and risk management process. Transaction Cloud uses its innovative Singularity Integration architecture which saves 50% of resources and time required for integration. Moreover, the points of failure and maintenance cost over the long run are significantly reduced resulting in a reliable, resilient, and efficient system. Their pay as you go pricing is the most competitive in the industry. Their support for multiple currencies, major credit cards, wallet payments (ApplePay, GooglePay, PayPal) and fast interface results in high conversion rates. In conclusion, Transaction Cloud is a strong, customer focused, transparent, reliable and secure platform made exclusively for selling SaaS and digital products.

Paddle is a subscription commerce and billing platform for Software and SaaS companies. It’s more difficult than ever to keep up with customer demands, to find new international growth opportunities, and to manage your internal resources effectively. With Paddle, you spend less time on fixing internal roadblocks and can focus on scaling your business. Paddle provides a full suite of tools from optimized checkout to sell your software, to recurring billing, fraud detection, manual invoicing, sales taxes, global currencies, customer support, analytics and much more, all in one platform. Choose how you want to sell, Paddle supports every type of sales motion. Optimize your checkout for conversions, scale your sales-assisted invoicing to more business accounts, and add subscription billing

Stripe Billing is the fastest way for your business to bill customers with subscriptions or invoices. Capture more revenue, support new products or business models, and accept recurring payments globally. Start collecting one-time or recurring payments via card, ACH, and other popular payment methods instantly. Test and roll out changes via our API or right in the Dashboard. Flexible billing logic for everything from per-seat pricing to metered billing out of the box. Support for coupons, free trials, prorations, add-ons, and overages is built-in. Reduce churn with smart retries, automated failed payment emails, and an automatic card updater. In 2021, Stripe Billing helped businesses recover 38% of failed payments on average. Understand your growth, churn, and financial health with automated reporting and revenue recognition. Easily sync billing and payments data with the rest of your workflows.

Maxio empowers growing B2B SaaS leaders to monetize their business and uncover critical financial insights in an unpredictable market. Natural growth isn’t a straight shot; it ebbs and flows along with the market. Wherever you are on your growth journey, Maxio gives you the tools to navigate your business through every inflection point. You need a system that can support your monetization model (no matter how simple or complex) without sacrificing the agility required to meet changing market demands. With Maxio, you’re always striking the right balance. Don’t let your systems hinder your ability to go to market. Maxio sits at the heart of your tech stack, automating the manual tasks that exist between your CRM, GL, and reporting tools. To navigate through an ever-changing market, you need insights today—not two weeks from now. Maxio gives you the ability to answer your toughest business questions quickly and accurately.

Whatever your subscription business, rely on Billsby for easy and accurate recurring billing. The most powerful, customizable and easy to integrate subscription billing software used by hundreds of companies worldwide to simplify revenue operations. Every Billsby account supports unlimited products, plans and cycles - making it really easy to support even the most complex plans. Once customers sign-up and as their subscription changes, use Zapier to complete follow up tasks across all of the other tools and services you use to run your business. Our drop-in checkout helps customers to sign up for your product quickly and easily, with low development effort. Customers can manage their own account with our drop-in account management tools - reducing service costs.

Get paid faster and save tons of time with the help of ReliaBills. A cloud-based platform built for small businesses, ReliaBills helps businesses eliminate the hassle of invoicing and billing clients by automating these processes. ReliaBills lets users manage customer information, customize and invoices, generate reports, and automat collections. Plus, users can also easily access their accounts from anywhere.

Meter any infrastructure, platform, application or custom resource or feature. We provide an end-to-end usage data and consumption data infrastructure that serves as the system of record and a single source of truth. Our metering data infrastructure is a fully managed, full-featured platform for usage instrumentation. It comes with a rich set of APIs and language-specific SDKs that manage idempotency, deduplication, batching, and flushing. Chose from popular pre-build usage-based models such as per-unit, overage, volume, tiered, multi-attribute. Pricing plans come with full lifecycle management from creation, change management, deprecation and automatic transitioning of customer accounts. Just like the leading cloud service providers, Amberflo provides rich set of real-time usage and revenue explorer capabilities. Operate your business as the major cloud providers do with real-time usage and revenue data at your fingertips.

Butter is ending involuntary churn for direct-to-consumer and SaaS subscription brands by recovering failed payments and subscribers faster, and more efficiently, delivering 5%+ ARR growth. How do we do it? We build and deploy custom machine learning algorithms that analyze each individual failed payment, enabling us to determine the optimal approach and timing for retrying the transaction. Unlike traditional retry solutions that employ a generic "one-size-fits-all" approach, our tailored approach ensures that no potential recovered revenue is left on the table. Intelligently tackling failed payments and payment health leads to: Reduced Churn Rates - Reducing customers lost to failed payments decreases churn and the impacts compound over time Increased LTV:CAC Ratio - With fewer customers churning due to failed payments, your overall LTV improves Increased Top-line ARR - 5%-10% more revenue recovered from failed payments

As your merchant of record, we handle the tax compliance burden so you can focus on more revenue and less headache. We’re your merchant of record. That means we handle payments, merchant fees, fraud, and sales tax without you lifting a finger. Launch your secure ecommerce website and start selling software, subscriptions, and digital downloads anywhere in minutes. Utilize no-code checkout links without worrying about design, mobile optimization, or payment integrations. It really is easy-peasy. Don't worry about merchant accounts and billing logic. Choose per seat, usage-based, and more. Customize as little or as much as you like. Automatically issue license keys for your software and apps after each sale. Deactivate, re-issue, and have full control over license management. Build an ecommerce website in minutes without coding or design skills. Customizable, SSL-secured, and mobile-optimized as standard.

Lago offers a self-hosted and cloud, scalable, and modular architecture for metering and usage-based billing, at every stage of your company. Ingesting up to 15,000 billing events per second. Lago’s event-based architecture provides a solid foundation for building a fair pricing model that scales with your business. Lago supports all pricing models. Create pay-as-you-go and hybrid plans in no time with our intuitive user interface or API. Create engaging marketing campaigns and increase conversion with coupons that customers can redeem to get a discount. Lago allows you to create one-time charges that are invoiced on the fly. Depending on the configuration of your plans, Lago automatically calculates what each customer owes you and generates invoices. Unlock recurring revenue opportunities for pay-as-you-go pricing models with Lago’s real-time prepaid credit features. The billing solution is loved by companies around the globe.

Schematic is a set of drop-in components that sit on top of Stripe for a complete purchasing experience. Launch, meter, and monitor features without ongoing code changes as your business grows. Instrument features and define policy for what your customers should have access to based on what they purchased. Add drop-in purchasing components beyond simple checkout such as upgrade/downgrade, customer portals, pricing tables, and usage meters. Define, enforce, and report usage-based metering in your product without changing a line of code. Connect to Stripe to keep your customers, products, and subscriptions in sync. Update plans, bundle & unbundle features, offer add-ons, support custom configuration, and handle exceptions. Manage exceptions with ease, grant seats, bump limits, and trial features. Complete account, billing, and usage context about each customer, all in one place. Schematic is committed to being reliable and lightning-fast.

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.

Meteroid is an open source pricing and billing engine designed for SaaS businesses and larger enterprises, allowing them to implement flexible, usage-based, subscription, or hybrid pricing models without building complex billing infrastructure from scratch. It ingests raw usage or event data from your systems via a simple API, then applies custom billing logic in real time, transforming metrics such as API calls, user activity, data consumption, or feature usage into billable units. It automates invoice generation and billing workflows, handles multi-tenancy scenarios, supports localized pricing, and maintains accurate records, enabling businesses to scale operations while preserving billing accuracy and flexibility. Meteroid’s architecture is built to scale; it can manage complex pricing strategies across many customers and usage patterns, and it reduces development overhead by externalizing billing logic from application code.

Mantle is an all-in-one, AI-enhanced platform designed to help SaaS businesses understand their data, manage operations, and drive growth from a single unified system. It combines analytics, billing, customer management, and growth tools into one environment, eliminating the need for fragmented tools and disconnected workflows. It provides focused analytics that surface the most important insights automatically, helping teams make better decisions without digging through complex dashboards or siloed data sources. It includes codeless billing and subscription management, allowing users to update pricing, create plans, offer promotions, and manage usage-based charges directly within their application. Mantle also centralizes customer data, enabling segmentation, lifecycle tracking, and full visibility into user activity, from installs and reviews to churn signals and engagement history.

Alguna is an AI-native quote-to-revenue platform built for AI, SaaS, and fintech companies that require speed, accuracy, and flexibility across the revenue lifecycle. It unifies pricing, CPQ, billing, payments, usage metering, invoicing, and revenue recognition in one system so teams can launch pricing models quickly, automate revenue workflows, and operate from a single source of truth. It replaces fragmented billing stacks and patchwork systems that create manual work, unreliable integrations, data silos, invoice disputes, reconciliation headaches, and revenue leakage. With no-code configurability and real-time metering, Alguna helps companies monetize faster and scale without operational drag, supporting subscriptions, consumption pricing, outcome-based pricing, and hybrid pricing models. Teams can configure pricing models and discount rules without code, connect quotes directly to subscriptions, invoices, billing, and revenue reporting.

Subscription Billing Software. Save Time. Scale Revenue. Cut the time it takes to build monetization into your product. Our usage-based approach gets you up and billing in as little as one day. Our platform tracks customer activity first and applies your billing rules second. That means you can spend more time iterating your pricing models without changing billing code. Cheddar was created by software engineers tired of sitting in pricing meetings. We designed our platform so your software only needs to know what activity to track, isolating pricing from the codebase once and for all. In just a few API calls, Cheddar manages all the complexity of billing and collections - including activity tracking, pricing, subscription management, overage, invoicing, external payments, processing, underwriting, SaaS metric reporting, customer communications, and revenue optimization.

Fenerum is a EU based and hosted software specializing in automating financial operations for Software-as-a-Service (SaaS) businesses. Its cloud-based platform streamlines various financial processes, including subscription management, billing, accounting, expense management, and reporting. The platform automates recurring billing processes, encompassing invoicing, revenue recognition, and payment collection, and includes automated dunning and debt collection to ensure timely payments. Fenerum consolidates all financial data into a single system, providing detailed and accurate real-time reporting, eliminating the need for manual spreadsheets and complex data integrations. It integrates directly with existing accounting systems, enabling real-time booking of revenue and expenses, facilitating faster month-end closures.

Repeat business should be quick and easy. Card on file simplifies returning customers’ checkout experience so they can purchase your products with fewer clicks instead of re-entering payment info. And storing payment information on our secure servers reduces your security liability. Your customers make purchases in person, on computers and on their mobile devices, and we offer solutions to support the evolving payment landscape. Authorize.net enables you to process payments in any way that works for your business, whether it’s through your website, mobile app, or manual transactions. We make it easy to accept credit cards and help ensure you get paid. It’s that simple. Browse our list of integration partners and find the best solution for your business. Integrate a simple, one-time payment button. It's perfect for donation forms.