GrowthBook vs Medusa
Open-source feature flags + experimentation — Warehouse Native
vs. Open-source commerce engine — build custom storefronts with Next.js + Node
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
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
Free-tier quotas head-to-head
Comparing oss on GrowthBook vs oss on Medusa.
| Metric | GrowthBook | Medusa |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
GrowthBook · 15 features
- Approval Flows — Require reviewer approval on flag changes. Enterprise.
- Audit Logs — Full change history. Exportable on Enterprise.
- Dimensions & Slicing — Break down experiment results by user dimensions.
- Edge SDK Support — Cloudflare Workers, Lambda@Edge, Fastly, Akamai EdgeWorkers, Netlify Edge.
- Experiments — A/B/n with CUPED variance reduction + sequential testing.
- Feature Flags — Boolean + string + number + JSON flags with targeting.
- Feature Reviews (PR-style) — Draft → review → approve flag changes.
- Guardrail Metrics — Auto-monitor key metrics during experiments.
- Metric Catalog — Define + reuse metrics across experiments.
- Multi-Armed Bandits — Adaptive traffic allocation. Pro+.
- Safe Rollouts — Guarded gradual rollouts with automatic rollback.
- SSO / SAML — Enterprise SSO for cloud + self-host EE.
- Sticky Bucketing — User stays in variant even after eligibility changes.
- Visual A/B Test Editor — No-code DOM editor for web experiments. Pro+.
- Warehouse Native — Connect your warehouse + run experiments against your events data.
Medusa · 16 features
- Admin Dashboard — React-based admin UI.
- Auth — Customer + admin auth with JWT.
- Cart — Multi-region carts with tax/pricing logic.
- Checkout — Multi-step checkout flow.
- Customers + Groups — Customer records + B2B groups.
- Dynamic Pricing — Price lists, rules, customer-specific.
- Event Bus — Async events via Redis / RabbitMQ.
- File Service — Pluggable storage (S3, local).
- Gift Cards — Native gift-card support.
- Inventory + Multi-warehouse — Stock tracking across locations.
- Next.js Starter — Production-ready Next.js storefront.
- Orders + Fulfillment — Full order lifecycle (edits, returns, exchanges).
- Products + Variants — Products with options, variants, images.
- Promotions + Discounts — Rule-based promos, campaigns.
- Tax Providers — Pluggable tax calculation.
- Workflows Engine — Durable saga-style business logic.
Developer interfaces
| Kind | GrowthBook | Medusa |
|---|---|---|
| CLI | — | medusa CLI |
| SDK | Edge 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 |
| REST | GrowthBook REST API | Medusa Admin API, Medusa Store API |
| MCP | — | Medusa MCP |
| OTHER | Webhooks | Medusa 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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