Staxly

Polar vs Paddle

Merchant of Record for devs — usage-based billing, MoR, 4% + 40¢
vs. Merchant of Record for SaaS — global tax, billing, checkout in one

Polar websitePaddle website

Pricing tiers

Polar

Pay-as-you-go
4% + 40¢ per transaction. Cheapest Merchant-of-Record. No monthly or setup fees.
$0 base (usage-based)
Enterprise
Custom. Volume discounts for high-growth teams.
Custom
Polar website

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
Paddle website

Free-tier quotas head-to-head

Comparing payg on Polar vs payg on Paddle.

MetricPolarPaddle
No overlapping quota metrics for these tiers.

Features

Polar · 15 features

  • Customer PortalSelf-serve subscription management.
  • Feature FlagsSimple flag mgmt tied to subscription tiers.
  • Framework AdaptersNext.js, BetterAuth, TS, Python, Laravel, Ruby, 11+ more.
  • Fraud ProtectionChargeback + fraud handling included.
  • GitHub Sponsors ImportImport existing sponsors to Polar.
  • Global Tax ComplianceVAT/GST/sales tax filed by Polar.
  • Hosted CheckoutPolar-hosted + embeddable checkout.
  • License KeysGenerate + validate license keys for software.
  • MeteringTrack API calls, tokens, custom units.
  • One-off PurchasesSingle purchases + digital downloads.
  • Open-Source BackendFull platform code on GitHub.
  • Sandbox EnvironmentTest transactions without charging.
  • SubscriptionsTiered plans with upgrades/downgrades.
  • Usage-Based BillingEvent ingestion → meter → invoice.
  • WebhooksResource events with HMAC signatures.

Paddle · 12 features

  • Affiliates (Rewardful partnership)Affiliate tracking (via partner).
  • Customer PortalSelf-service subscription management.
  • Fraud ProtectionML + human review. Paddle absorbs chargebacks.
  • Global Tax ComplianceAutomatic VAT/GST/sales tax calc + remittance + filing.
  • One-time SalesPerpetual license sales, single purchases.
  • Paddle CheckoutHosted or overlay checkout. Localized + fraud-protected.
  • Paddle RetainRevenue recovery + cancel flows (acquired Retain).
  • ProfitWell AnalyticsIncluded subscription analytics (acquired ProfitWell).
  • Self-Serve InvoicesB2B invoicing with custom POs.
  • Smart DunningRetry logic + email sequences for failed payments.
  • SubscriptionsFull lifecycle: trials, changes, cancellations, recovery.
  • WebhooksStandard resource events with HMAC signing.

Developer interfaces

KindPolarPaddle
SDKpolar-sdk-python, @polar-sh/better-auth, @polar-sh/nextjs, @polar-sh/sdkPaddle.js, @paddle/paddle-node-sdk, paddle-python
RESTPolar REST APIPaddle Billing API
MCPPolar MCP
OTHERPolar Checkout, Polar WebhooksPaddle Checkout, Paddle Webhooks
Staxly is an independent catalog of developer platforms. Outbound links to Polar and Paddle are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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