Paddle vs GrowthBook
Merchant of Record for SaaS — global tax, billing, checkout in one
vs. Open-source feature flags + experimentation — Warehouse Native
Pricing tiers
Paddle
Pay-as-you-go
5% + 50¢ per Checkout transaction. No monthly fee. All-inclusive (tax, fraud, support).
$0 base (usage-based)
Enterprise
Custom rates for high-volume. Dedicated success. Custom migration + implementation.
Custom
Invoicing (<$10 products)
Custom pricing for invoicing / products under $10.
Custom
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
Free-tier quotas head-to-head
Comparing payg on Paddle vs oss on GrowthBook.
| Metric | Paddle | GrowthBook |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
Paddle · 12 features
- Affiliates (Rewardful partnership) — Affiliate tracking (via partner).
- Customer Portal — Self-service subscription management.
- Fraud Protection — ML + human review. Paddle absorbs chargebacks.
- Global Tax Compliance — Automatic VAT/GST/sales tax calc + remittance + filing.
- One-time Sales — Perpetual license sales, single purchases.
- Paddle Checkout — Hosted or overlay checkout. Localized + fraud-protected.
- Paddle Retain — Revenue recovery + cancel flows (acquired Retain).
- ProfitWell Analytics — Included subscription analytics (acquired ProfitWell).
- Self-Serve Invoices — B2B invoicing with custom POs.
- Smart Dunning — Retry logic + email sequences for failed payments.
- Subscriptions — Full lifecycle: trials, changes, cancellations, recovery.
- Webhooks — Standard resource events with HMAC signing.
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.
Developer interfaces
| Kind | Paddle | GrowthBook |
|---|---|---|
| SDK | Paddle.js, @paddle/paddle-node-sdk, paddle-python | 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 |
| REST | Paddle Billing API | GrowthBook REST API |
| OTHER | Paddle Checkout, Paddle Webhooks | Webhooks |
Staxly is an independent catalog of developer platforms. Some links to Paddle and GrowthBook 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.
Want this comparison in your AI agent's context? Install the free Staxly MCP server.