Staxly

GrowthBook vs Penpot

Open-source feature flags + experimentation — Warehouse Native
vs. Open-source design + prototyping platform — Figma alternative, self-hostable

GrowthBook websitePenpot (OSS)

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

Penpot

Free (Cloud)
$0. Unlimited files, unlimited projects, unlimited users. Full feature set.
Free
Self-Hosted (OSS)
Free forever. MPL 2.0 license. Docker Compose deploy. Full feature parity with cloud.
$0 base (usage-based)
Enterprise
Custom. Self-hosted support contract, SLA, training.
Custom
Penpot (OSS)

Free-tier quotas head-to-head

Comparing oss on GrowthBook vs free on Penpot.

MetricGrowthBookPenpot
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.

Penpot · 16 features

  • Accessibility ChecksContrast + color blindness.
  • AnimationsTransitions + effects.
  • Auto LayoutResponsive components.
  • CommentsIn-file discussion.
  • Components + VariantsReusable elements.
  • Design CanvasVector drawing + layout.
  • Design Tokens (W3C)Named design variables.
  • Figma File ImportMigrate from Figma.
  • Flex + Grid LayoutLayout constraints.
  • Inspector + Code ExportCSS/HTML/React/Flutter code.
  • Native SVGNot a proprietary blob.
  • Plugins APIExtend Penpot.
  • PrototypingInteractive flows.
  • Self-Host (MPL-2.0)Docker deploy.
  • Shared LibrariesTeam asset libraries.
  • Version HistoryFile revisions.

Developer interfaces

KindGrowthBookPenpot
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-reactPenpot Plugins API
RESTGrowthBook REST API
OTHERWebhooksDesktop App, Export + Inspect, Penpot Web, Self-Host (Docker)
Staxly is an independent catalog of developer platforms. Some links to GrowthBook and Penpot may be affiliate links — Staxly may earn a commission if you sign up through them, at no extra cost to you. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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