FastSpring vs OpenCart

Detailed side-by-side comparison

FastSpring

FastSpring

Free

FastSpring is a full-service merchant of record and e-commerce platform specifically designed for software and SaaS companies selling digital products globally. It handles the complete payment infrastructure including tax compliance, subscription billing, and payment processing across 200+ countries, eliminating significant operational burdens for digital product sellers.

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OpenCart

OpenCart

Free

OpenCart is a free, open-source e-commerce platform that allows businesses to build and manage customizable online stores. With access to 13,000+ themes and extensions, it provides a flexible foundation for small to medium-sized businesses to establish their online retail presence without monthly platform fees.

Visit OpenCart

Feature Comparison

FeatureFastSpringOpenCart
Tax ComplianceActs as merchant of record and automatically handles VAT, sales tax, and GST calculations and remittance across all global marketsRequires manual setup of tax rules or purchasing tax extensions; business remains responsible for tax compliance and remittance
Payment ProcessingBuilt-in payment processing with 20+ payment methods integrated, charges 5.9% + $0.95 per transactionSupports multiple payment gateways but requires separate integration for each; no platform transaction fees, only gateway fees
Subscription ManagementNative subscription and recurring billing management designed specifically for SaaS business modelsRequires third-party extensions to enable subscription functionality; not built for recurring billing out-of-the-box
Setup and CustomizationQuick integration with minimal technical setup but limited customization options for complex checkout flowsRequires technical knowledge for installation and configuration but offers extensive customization through code access and marketplace extensions
Target Use CaseOptimized for digital products, software licenses, and SaaS subscriptions with global reachDesigned for traditional e-commerce selling physical or digital products with full control over store infrastructure
Ongoing CostsNo monthly platform fee but higher per-transaction costs; includes hosting, security, and complianceFree platform but requires separate costs for hosting, SSL, premium themes, extensions, and maintenance

Pricing Comparison

FastSpring has no monthly fee but charges 5.9% + $0.95 per transaction while including hosting, compliance, and payment processing. OpenCart is free to download with no transaction fees, but total cost of ownership includes hosting, premium extensions, themes, and potentially developer costs for customization.

Verdict

Choose FastSpring if...

Choose FastSpring if you're selling software, SaaS subscriptions, or digital products globally and want to eliminate tax compliance complexity while prioritizing quick deployment over complete control. It's ideal for companies that want to focus on product development rather than payment infrastructure.

Choose OpenCart if...

Choose OpenCart if you're building a traditional e-commerce store selling physical products, have technical resources for setup and maintenance, and want maximum control over your store's functionality and design. It's best for businesses wanting to minimize transaction fees and maintain complete ownership of their platform.

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Ecommerce

Pros & Cons

FastSpring

Pros

  • + Eliminates tax compliance burden by acting as merchant of record
  • + Quick integration with minimal technical setup required
  • + Comprehensive analytics and reporting dashboard
  • + Handles VAT, sales tax, and GST calculations automatically across global markets

Cons

  • - Higher transaction fees compared to basic payment processors (5.9% + $0.95 per transaction)
  • - Less control over checkout experience compared to building your own
  • - Limited customization options for complex business models

OpenCart

Pros

  • + Completely free and open-source with no monthly fees
  • + Large community support and extensive documentation
  • + Highly customizable with thousands of free and paid extensions
  • + No transaction fees on sales

Cons

  • - Requires technical knowledge for setup and customization
  • - Many essential features require paid extensions
  • - Can become costly when purchasing premium themes and modules