RevenueCat vs Knock
Mobile subscription infrastructure — iOS + Android + web in one API
vs. Notifications-as-a-service: in-app feeds, email, push, SMS, chat via one API
Pricing tiers
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
Knock
Developer
Free forever. 10K messages, 500 guide users, 500 AI credits/month.
$0 base (usage-based)
Starter
$250/mo. 50K messages, 2.5K guide users, 2K AI credits. Remove branding.
$250/mo
Enterprise
Custom pricing. White-label, i18n, data warehouse, Datadog, SCIM, SAML, HIPAA/BAA.
Custom
Free-tier quotas head-to-head
Comparing starter on RevenueCat vs starter on Knock.
| Metric | RevenueCat | Knock |
|---|---|---|
| guide users | — | 2500 users |
| guide users overage | — | $0.05/user USD/user |
| messages monthly | — | 50000 messages/mo |
| messages overage | — | $0.005/message USD/message |
Features
RevenueCat · 13 features
- Audiences + Targeting — Target users by cohort, country, event.
- Charts — Cohort retention, LTV, MRR dashboards.
- Customer Center — Native UI for subscription management.
- Data Integrations — Push events to Mixpanel/Amplitude/Segment/etc.
- Entitlements — Server-authoritative feature unlocks independent of SKU.
- Experiments — Built-in A/B testing.
- Offerings + Packages — Remote product groupings + package targeting.
- Paywalls — Remote-configurable native paywall UI templates.
- Purchases — Unified purchase API across stores.
- Receipt Validation — Server-side App Store + Play receipt validation.
- Restore Purchases — Cross-device + reinstall restore.
- Web Billing (Stripe) — Accept subs via web with Stripe, reconcile with mobile.
- Webhooks — Subscription lifecycle events.
Knock · 13 features
- AI Agents — Autonomous notification drafting & workflow generation.
- Batch + Digest — Group notifications into digests on schedule or window.
- Chat — Slack, Microsoft Teams, Discord.
- Email — Send via SendGrid/Postmark/Resend/Mailgun/AWS SES as relays.
- Guides — In-product messaging, announcements, modals, banners.
- i18n / Localization — Translate templates by user locale.
- In-App Feed — Notification inbox with React/Vue/iOS/Android drop-in components.
- Multi-tenancy — Per-tenant branding, preferences, quiet hours.
- Outbound Webhooks — Subscribe to delivery events.
- Preferences — User + tenant preference center with granular controls.
- Push — iOS (APNs), Android (FCM), Expo, Web Push.
- SMS — Twilio, MessageBird, Telnyx, Vonage as providers.
- Workflows — Visual notification orchestration (branch, batch, delay, throttle).
Developer interfaces
| Kind | RevenueCat | Knock |
|---|---|---|
| CLI | — | Knock CLI |
| SDK | RevenueCat Android SDK, RevenueCat Flutter, RevenueCat iOS SDK, RevenueCat React Native, RevenueCat Web Billing | knockapi (Python), knockapi (Ruby), knock-elixir, knock-go, knock-java, @knocklabs/node, @knocklabs/react |
| REST | RevenueCat REST API | Knock REST API |
| MCP | — | Knock MCP Server |
| OTHER | RevenueCat Dashboard, RevenueCat Webhooks | Outbound Webhooks |
Staxly is an independent catalog of developer platforms. Some links to RevenueCat and Knock 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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