Knock vs Lemon Squeezy
Notifications-as-a-service: in-app feeds, email, push, SMS, chat via one API
vs. Merchant of record for digital products and SaaS
Pricing tiers
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
Lemon Squeezy
Pay-as-you-go
No monthly fees. 5% + 50¢ per transaction. Includes tax handling.
$0 base (usage-based)
Free-tier quotas head-to-head
Comparing starter on Knock vs payg on Lemon Squeezy.
| Metric | Knock | Lemon Squeezy |
|---|---|---|
| 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
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).
Lemon Squeezy · 12 features
- Abandoned Cart Recovery — Email retry campaigns (+5% fee on recovered).
- Affiliate Program — Built-in affiliate/referral program with payouts.
- Custom Checkout Domain — Checkout at checkout.yourbrand.com.
- Customer Portal — Self-service subscription + invoice management UI.
- Discounts / Coupons — Percentage / fixed / trial discount codes.
- Global Tax (included) — Automatic VAT/GST/sales tax calc + remittance. LS files taxes on your behalf.
- Hosted Checkout — Hosted + embeddable checkout. Customize color + logo.
- License Keys — Generate + validate license keys for software sales.
- One-off Sales — Digital products with license keys, file delivery.
- Reports & Analytics — Revenue, MRR, churn, LTV.
- Subscriptions — Recurring billing with trials, proration, discounts.
- Webhooks — Standard resource events (order_created, subscription_created/updated/cancelled,…
Developer interfaces
| Kind | Knock | Lemon Squeezy |
|---|---|---|
| CLI | Knock CLI | — |
| SDK | knockapi (Python), knockapi (Ruby), knock-elixir, knock-go, knock-java, @knocklabs/node, @knocklabs/react | @lemonsqueezy/lemonsqueezy.js |
| REST | Knock REST API | Lemon Squeezy REST API |
| MCP | Knock MCP Server | — |
| OTHER | Outbound Webhooks | Webhooks |
Staxly is an independent catalog of developer platforms. Some links to Knock and Lemon Squeezy 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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