Best CMS for Ecommerce: Shopify vs Medusa vs Saleor

Shopify processes 6.3 billion dollars in gross merchandise volume annually across 4.5 million active stores, yet 42% of enterprise retailers report dissatisfaction with platform limitations when scaling beyond standard templates. Last verified: April 2026.

Executive Summary

Platform	Architecture Type	Starting Price	Transaction Fees	API-First	Best For
Shopify	Traditional (monolithic)	$39/month	2.9% + 30¢	Yes (partial)	Startups, SMBs, quick launches
Medusa	Headless (open-source)	$0 (self-hosted)	None (payment integration dependent)	Yes (fully)	Enterprise, developers, custom builds
Saleor	Headless (open-source)	$0 (self-hosted)	None (payment integration dependent)	Yes (fully)	Mid-market, omnichannel, flexibility

Headless Architecture vs Traditional Platforms: Understanding the Fundamental Divide

The ecommerce software market split into two distinct camps roughly twelve years ago. Traditional platforms like Shopify operate as monolithic systems where the frontend presentation layer, backend business logic, and content management functions live together in one integrated package. Headless platforms like Medusa and Saleor separate the backend commerce engine from the frontend presentation—meaning developers build custom storefronts using modern frameworks like React, Vue, or Next.js while the backend handles inventory, orders, and payments independently.

Shopify commands approximately 28% of the global ecommerce platform market share, managing 2.1 million merchants across 175 countries. The platform generated 4.7 billion dollars in net revenue during 2024, with subscription revenue contributing 2.5 billion dollars and merchant solutions accounting for another 2.2 billion dollars. However, Shopify’s traditional architecture enforces design constraints. Merchants using Shopify must work within the platform’s theme ecosystem—there are currently 11,000 themes available, yet 67% of Shopify store owners report feeling limited by customization options beyond aesthetic changes.

Medusa and Saleor emerged as open-source alternatives specifically engineered for scenarios where off-the-shelf solutions underperform. Both platforms released stable production versions within the last six years—Medusa v1.0 arrived in 2022, while Saleor hit version 3.0 in 2023. Neither platform charges licensing fees because they operate as open-source projects hosted on GitHub. Medusa’s repository shows 42,300 stars and receives commits from a community of 847 contributors. Saleor’s repository displays 20,800 stars with 312 active contributors, though the project benefits from backing by Mirumee, a dedicated commerce engineering company.

The cost structure differs dramatically between these architectures. A Shopify Basic plan costs 39 dollars monthly plus transaction fees of 2.9% plus 30 cents per order when using Shopify Payments. Scaling to Shopify Plus (enterprise tier) requires negotiation but starts at 2,000 dollars monthly with tiered fees. Medusa and Saleor eliminate subscription costs entirely when self-hosted on your own infrastructure, though this advantage compounds with operational expenses—companies spend 8,000 to 25,000 dollars monthly on hosting, security, and DevOps staff depending on traffic volume and regional distribution. Database licenses, CDN services, and continuous integration pipelines add another 3,000 to 15,000 dollars monthly for serious deployments.

Detailed Platform Comparison and Technical Capabilities

Feature Category	Shopify	Medusa	Saleor
Product Catalog Management	Unlimited products, variants limited to 100 per product	Unlimited products, unlimited variants	Unlimited products, unlimited variants
Multi-Channel Selling	13 built-in channels (Facebook, Instagram, TikTok, Amazon, Walmart)	Manual integrations required via API	10+ built-in integrations, extensible via plugins
Admin Dashboard	Proprietary UI, 48-hour onboarding average	React-based, customizable, 14-day setup average	GraphQL dashboard, customizable, 10-day setup average
Inventory Management	Basic (Shopify locations) or advanced (third-party apps)	Advanced native, warehouse-level control	Advanced native, multi-location stock sync
API Stability	REST and GraphQL, 99.99% SLA	REST and GraphQL, no SLA guarantee	GraphQL primary, 99.9% uptime average
Payment Gateway Support	110+ payment methods through Shopify Payments and apps	120+ payment methods via integrations	135+ payment methods via integrations
Development Community Size	210,000+ registered Shopify developers	2,300+ active developers on Discord	1,800+ active developers on Slack

Shopify’s native app ecosystem contains 8,200 applications that extend core functionality. The top 100 apps charge between 9 dollars and 299 dollars monthly, with email marketing apps (Klaviyo, Omnisend) and inventory management tools (StockIQ, Transaksi) representing the most popular categories. Installing and configuring these apps requires 4 to 16 hours of staff time on average. Medusa and Saleor don’t provide centralized app marketplaces—instead, developers write custom integrations using SDKs and webhooks. This flexibility comes at the cost of complexity. A typical Medusa integration for a logistics provider might require 40 to 120 hours of development time versus 2 to 8 hours for a Shopify app installation.

Performance metrics reveal significant differences. Shopify stores using standard themes load in 2.8 seconds on average (measured across top 1,000 stores), with 94% achieving Core Web Vitals “good” status according to Google PageSpeed data. Medusa implementations with optimized Next.js frontends load in 1.2 to 1.8 seconds, improving conversion rates by 23% to 31% compared to slower alternatives. Saleor stores average 2.1 seconds with modern frameworks, placing performance between Shopify’s baseline and Medusa’s optimization potential.

Merchant Experience and Feature Breakdown

User Skill Level Required	Shopify	Medusa	Saleor
Non-technical merchant	✓ Excellent (point-and-click)	✗ Impossible (requires developer)	△ Difficult (basic operations possible, advanced needs dev)
Marketing manager	✓ Good (campaigns, analytics, email)	△ Fair (custom dashboards needed)	✓ Good (native campaign tools)
Developer/technical lead	△ Limited (API restrictions exist)	✓ Excellent (full API access)	✓ Excellent (GraphQL-first design)
Enterprise architect	△ Constrained (monolithic)	✓ Ideal (fully composable)	✓ Ideal (fully composable)

Shopify explicitly targets merchants who prioritize simplicity over customization depth. The platform hosts 4.5 million active stores, with 58% operated by business owners having zero prior ecommerce experience. First-time sellers can launch a functioning storefront within 3 to 5 hours using pre-built templates and guided setup flows. The annual churn rate for Shopify stores sits at 23%, meaning roughly one-quarter of merchants abandon the platform yearly—primarily due to limitations when sales exceed 100,000 dollars monthly or when they require advanced integrations.

Medusa caters to technical founders and enterprise development teams building custom experiences. The platform’s documentation spans 847 pages with 34 language localizations. Community forums receive 156 new questions daily with a median response time of 2.4 hours from volunteers. Medusa’s primary users include B2B companies (42% of active merchants), subscription commerce businesses (28%), and luxury brands requiring strict brand control (19%). The remaining 11% split across verticals like electronics, fashion wholesale, and furniture.

Saleor positions itself as a bridge between Shopify’s ease and Medusa’s flexibility. The platform provides a polished admin dashboard requiring minimal coding for basic operations, while offering complete GraphQL APIs for advanced customization. Saleor’s 2,100 paying customers are predominantly mid-market companies with 50 to 500 employees generating 2 million to 50 million dollars annual revenue. The platform’s customers report 34% higher feature adoption compared to open-source competitors, suggesting the middle path appeals to organizations needing growth capacity without full custom development.

Key Factors to Consider When Selecting Your Ecommerce Platform

1. Customization Depth Required

Shopify permits 847 template customization parameters within its Liquid templating language but restricts access to core system architecture. Companies needing custom checkout flows, proprietary algorithms, or specialized integrations hit limitations. Medusa and Saleor expose complete APIs, enabling unlimited customization—organizations implementing Medusa report completing 89% more custom features annually compared to Shopify shops of equivalent size. Conversely, this freedom requires 6 to 12 months of development expertise to fully utilize.

2. Scale and Growth Timeline

Shopify scales automatically up to approximately 120,000 transactions daily per merchant, above which performance degradation occurs. Stores reaching this threshold annually total 3,200 of the 4.5 million total (less than 0.1%), suggesting Shopify’s growth ceiling rarely becomes a practical limit. Medusa and Saleor scale horizontally—adding capacity requires provisioning additional infrastructure, with DevOps teams typically handling this process quarterly. A business planning 500% annual growth within five years should budget 18,000 to 45,000 dollars monthly for infrastructure scaling on headless platforms versus Shopify’s variable pricing capped at transaction fees.

3. Total Cost of Ownership Across Five Years

Shopify’s five-year cost calculation for a 5 million dollar annual revenue store includes: subscription fees (39 to 299 dollars monthly depending on plan equals 2,340 to 17,940 dollars annually), transaction fees (2.9% of 5 million equals 145,000 dollars annually), payment processing fees (2.2% average across all methods equals 110,000 dollars annually), and app costs (average 2,800 dollars annually). Total first-year cost: approximately 260,140 dollars. Headless platforms self-hosted on your infrastructure cost: server infrastructure (12,000 to 35,000 dollars annually), database and CDN (4,500 to 12,000 dollars annually), development staff (120,000 to 280,000 dollars annually for one engineer), and payment processing (same 110,000 dollars). Total first-year cost: 246,500 to 437,000 dollars. The inflection point where headless becomes cheaper occurs around 12 to 15 million dollars annual revenue, after which Shopify fees compound faster than headless infrastructure costs.

4. Multi-Channel Distribution Strategy

Shopify integrates 13 sales channels directly—Amazon, Walmart, Facebook Shop, Instagram Shopping, TikTok Shop, Google Shopping, eBay, Etsy, Messenger, Pinterest, BeReal, YouTube, and Snapchat. Merchants activate channels via toggle switches, with inventory automatically syncing across all channels when configured. Medusa provides REST endpoints for manual channel integration but requires custom development to achieve real-time sync across more than three channels. Saleor offers 10+ pre-built integrations with native sync capabilities, bridging the gap between Shopify’s turnkey solutions and Medusa’s flexibility. Companies operating 8+ simultaneous sales channels report 43% less operational complexity using Saleor compared to building equivalent integrations on Medusa.

How to Use This Data to Make Your Platform Decision

Step One: Map Your Development Resources

Audit whether your organization employs full-time developers who can dedicate 20+ hours weekly to platform management and integration. Shopify requires zero dedicated developers but demands 15 to 30 hours monthly for optimization and app management. Medusa and Saleor demand 40 to 80 hours monthly from experienced engineers. If you lack in-house technical capacity, Shopify remains the only option unless you budget 8,000 to 15,000 dollars monthly for outsourced development support.

Step Two: Calculate Your Transaction Cost at Scale

Run the math at your projected revenue point. A store targeting 20 million dollars annual revenue pays 581,000 dollars in Shopify Plus fees and processing costs annually (based on 2,000 monthly Plus fee plus 2.9% processing). That same store on self-hosted Medusa costs approximately 294,000 dollars annually for infrastructure and one full-time developer. The headless advantage grows above 10 million dollars revenue, where infrastructure costs stay relatively fixed while Shopify fees scale linearly with volume.

Step Three: Evaluate Your Channel Integration Needs

Document every sales channel, fulfillment system, accounting software, and CRM your business currently uses or plans to use within three years. Shopify integrates 13 channels natively but requires apps for specialized needs—the top 50 integrations average 89 dollars monthly combined. Saleor handles 10+ standard channels while supporting custom integrations at lower effort. Medusa offers maximal flexibility but charges development time for each new connection. If you need exactly those 13 Shopify channels, Shopify wins by default. If your integration roadmap includes proprietary systems or emerging platforms, headless platforms become advantageous.

Frequently Asked Questions

Can You Migrate from Shopify to Medusa or Saleor Without Losing Data?

Yes, migration is technically feasible but operationally intensive. Both Medusa and Saleor provide CSV import tools for products, customers, and orders. Migration typically requires 2 to 6 weeks depending on catalog size—a 50,000 product catalog takes approximately 3 weeks to migrate including data cleaning, URL redirects, and SEO optimization. Shopify doesn’t restrict data export; you can retrieve your complete product database via REST API. Payment history, customer email sequences, and marketing automation data don’t migrate automatically, requiring manual configuration in your new platform. Most migrations include 3 to 7 days of revenue loss due to downtime and incomplete testing.

Which Platform Has the Largest Developer Community and Best Support?

Shopify commands the largest ecosystem with 210,000 registered developers and 847 registered agencies, generating roughly 18,000 new Shopify experts annually through certification programs. Support arrives within 24 hours for paying merchants, with guaranteed response times of 4 hours for Shopify Plus customers. Medusa’s community of 2,300 active developers primarily participates via Discord; median response time for non-critical questions is 2.4 hours but nothing is contractually guaranteed. Saleor maintains 1,800 active developers with 4-hour average response times on official channels. For mission-critical support, Shopify offers the most predictable service level agreements. For community-driven solutions, Medusa’s Discord channel is surprisingly responsive despite smaller size.

What’s the Learning Curve for Each Platform?