Staxly

Polar vs RevenueCat

Merchant of Record for devs — usage-based billing, MoR, 4% + 40¢
vs. Mobile subscription infrastructure — iOS + Android + web in one API

Polar websiteRevenueCat 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

RevenueCat

Starter
$0. Free up to $2,500 MTR (monthly tracked revenue). All core features. Email support.
Free
Pro
$0 base + 1% of MTR above $2,500. All features + priority support + SLA.
$0 base (usage-based)
Enterprise
Custom. Volume discount, dedicated support, custom contract.
Custom
RevenueCat website

Free-tier quotas head-to-head

Comparing payg on Polar vs starter on RevenueCat.

MetricPolarRevenueCat
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.

RevenueCat · 13 features

  • Audiences + TargetingTarget users by cohort, country, event.
  • ChartsCohort retention, LTV, MRR dashboards.
  • Customer CenterNative UI for subscription management.
  • Data IntegrationsPush events to Mixpanel/Amplitude/Segment/etc.
  • EntitlementsServer-authoritative feature unlocks independent of SKU.
  • ExperimentsBuilt-in A/B testing.
  • Offerings + PackagesRemote product groupings + package targeting.
  • PaywallsRemote-configurable native paywall UI templates.
  • PurchasesUnified purchase API across stores.
  • Receipt ValidationServer-side App Store + Play receipt validation.
  • Restore PurchasesCross-device + reinstall restore.
  • Web Billing (Stripe)Accept subs via web with Stripe, reconcile with mobile.
  • WebhooksSubscription lifecycle events.

Developer interfaces

KindPolarRevenueCat
SDKpolar-sdk-python, @polar-sh/better-auth, @polar-sh/nextjs, @polar-sh/sdkRevenueCat Android SDK, RevenueCat Flutter, RevenueCat iOS SDK, RevenueCat React Native, RevenueCat Web Billing
RESTPolar REST APIRevenueCat REST API
MCPPolar MCP
OTHERPolar Checkout, Polar WebhooksRevenueCat Dashboard, RevenueCat Webhooks
Staxly is an independent catalog of developer platforms. Outbound links to Polar and RevenueCat are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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