Staxly

Polar vs Shopify

Merchant of Record for devs — usage-based billing, MoR, 4% + 40¢
vs. Dominant SaaS commerce platform — Online Store + Hydrogen headless

Polar websiteShopify 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

Shopify

Starter
$5/mo. Sell via social/chat links. No checkout site. Basic.
$5/mo
Basic
$29/mo ($19 annual). Full store. 2.9% + 30¢ online. 2 staff.
$29/mo
Shopify
$79/mo ($49 annual). 2.7% online. 5 staff.
$79/mo
Advanced
$299/mo ($229 annual). 2.5% online. Custom reports. 15 staff.
$299/mo
Plus
$2,300/mo (starting). Enterprise features, checkout customization, unlimited staff.
$2300/mo
Enterprise
Custom. For $1M+ GMV merchants. Dedicated support, Checkout Extensibility.
Custom
Shopify website

Free-tier quotas head-to-head

Comparing payg on Polar vs starter on Shopify.

MetricPolarShopify
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.

Shopify · 22 features

  • Admin APIsREST + GraphQL for management.
  • App Store8,000+ apps.
  • B2B (Plus)Company accounts + catalogs.
  • CheckoutShopify-managed checkout (PCI-compliant).
  • Checkout ExtensibilityUI extensions in checkout (Plus).
  • CollectionsManual + smart grouping.
  • CustomersCRM-lite + B2B (Plus).
  • DiscountsAutomatic + code-based.
  • HydrogenReact/Remix headless framework.
  • InventoryMulti-location stock.
  • MarketsMulti-region selling (currency, language).
  • Online StoreDefault Liquid-based storefront.
  • Orders + FulfillmentMulti-location fulfillment.
  • OxygenEdge hosting for Hydrogen (Plus).
  • Products + VariantsFull PIM.
  • Shipping + RatesCarrier integrations.
  • Shopify FunctionsRust/WASM backend extensions.
  • Shopify PaymentsFirst-party payment processor.
  • Shop PayAccelerated checkout with saved payment.
  • Storefront APIGraphQL for custom storefronts.
  • Theme StoreFirst-party + paid themes.
  • WebhooksEvent subscriptions.

Developer interfaces

KindPolarShopify
CLIshopify CLI
SDKpolar-sdk-python, @polar-sh/better-auth, @polar-sh/nextjs, @polar-sh/sdk@shopify/admin-api-client, @shopify/hydrogen
RESTPolar REST APIAdmin REST API
GRAPHQLAdmin GraphQL API, Storefront API
MCPPolar MCPShopify MCP (unofficial)
OTHERPolar Checkout, Polar WebhooksLiquid Templates, Shopify Admin, Shopify Webhooks
Staxly is an independent catalog of developer platforms. Outbound links to Polar and Shopify are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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