Staxly

GrowthBook vs Medusa

Open-source feature flags + experimentation — Warehouse Native
vs. Open-source commerce engine — build custom storefronts with Next.js + Node

GrowthBook websiteMedusa website

Pricing tiers

GrowthBook

Open Source (Self-Host)
MIT-licensed. Unlimited everything. Community support.
$0 base (usage-based)
Cloud — Starter (Free)
Up to 3 users. Unlimited flags + experiments. Warehouse Native included.
Free
Cloud — Pro
$40/user/month. Up to 50 users. Advanced stats, visual A/B editor, CUPED, sequential testing, bandits.
$40/mo
Cloud — Enterprise
Custom. Unlimited users, SSO/SAML, approval flows, data pipelines, exportable audit logs.
Custom
Self-Host Enterprise
Open Source + Enterprise license. Visual A/B editor, advanced metrics, SSO/SAML, approvals, training.
Custom
GrowthBook website

Medusa

OSS (self-host)
$0. MIT license. Run Medusa backend + admin on your infra.
$0 base (usage-based)
Medusa Cloud Free
$0. Hobby projects. Shared infra. Community support.
Free
Medusa Cloud Pro
$99/mo. Production support. Dedicated DB. Priority.
$99/mo
Enterprise
Custom. SSO, SLA, dedicated cluster, PCI.
Custom
Medusa website

Free-tier quotas head-to-head

Comparing oss on GrowthBook vs oss on Medusa.

MetricGrowthBookMedusa
No overlapping quota metrics for these tiers.

Features

GrowthBook · 15 features

  • Approval FlowsRequire reviewer approval on flag changes. Enterprise.
  • Audit LogsFull change history. Exportable on Enterprise.
  • Dimensions & SlicingBreak down experiment results by user dimensions.
  • Edge SDK SupportCloudflare Workers, Lambda@Edge, Fastly, Akamai EdgeWorkers, Netlify Edge.
  • ExperimentsA/B/n with CUPED variance reduction + sequential testing.
  • Feature FlagsBoolean + string + number + JSON flags with targeting.
  • Feature Reviews (PR-style)Draft → review → approve flag changes.
  • Guardrail MetricsAuto-monitor key metrics during experiments.
  • Metric CatalogDefine + reuse metrics across experiments.
  • Multi-Armed BanditsAdaptive traffic allocation. Pro+.
  • Safe RolloutsGuarded gradual rollouts with automatic rollback.
  • SSO / SAMLEnterprise SSO for cloud + self-host EE.
  • Sticky BucketingUser stays in variant even after eligibility changes.
  • Visual A/B Test EditorNo-code DOM editor for web experiments. Pro+.
  • Warehouse NativeConnect your warehouse + run experiments against your events data.

Medusa · 16 features

  • Admin DashboardReact-based admin UI.
  • AuthCustomer + admin auth with JWT.
  • CartMulti-region carts with tax/pricing logic.
  • CheckoutMulti-step checkout flow.
  • Customers + GroupsCustomer records + B2B groups.
  • Dynamic PricingPrice lists, rules, customer-specific.
  • Event BusAsync events via Redis / RabbitMQ.
  • File ServicePluggable storage (S3, local).
  • Gift CardsNative gift-card support.
  • Inventory + Multi-warehouseStock tracking across locations.
  • Next.js StarterProduction-ready Next.js storefront.
  • Orders + FulfillmentFull order lifecycle (edits, returns, exchanges).
  • Products + VariantsProducts with options, variants, images.
  • Promotions + DiscountsRule-based promos, campaigns.
  • Tax ProvidersPluggable tax calculation.
  • Workflows EngineDurable saga-style business logic.

Developer interfaces

KindGrowthBookMedusa
CLImedusa CLI
SDKEdge SDKs (CF Workers / Lambda@Edge / Fastly / Akamai), growthbook-android, growthbook-flutter, growthbook-go, growthbook-java, growthbook-node, growthbook-php, growthbook-python, growthbook-ruby, growthbook-swift, sdk-javascript, sdk-react@medusajs/js-sdk
RESTGrowthBook REST APIMedusa Admin API, Medusa Store API
MCPMedusa MCP
OTHERWebhooksMedusa Admin UI, Next.js Starter
Staxly is an independent catalog of developer platforms. Outbound links to GrowthBook and Medusa are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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