Knock vs Stytch
Notifications-as-a-service: in-app feeds, email, push, SMS, chat via one API
vs. Authentication platform for B2C and B2B
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
Stytch
Free
10,000 MAU. Unlimited orgs. 5 SSO/SCIM connections. 1,000 M2M tokens. 10,000 fraud fingerprints. Full auth suite.
Free
Pay as you go
Usage-based after free allowances. Volume discounts for high MAU.
$0 base (usage-based)
Enterprise
Custom. 99.99% SLA, private Slack, migration assistance, HIPAA/BAA.
Custom
Free-tier quotas head-to-head
Comparing starter on Knock vs free on Stytch.
| Metric | Knock | Stytch |
|---|---|---|
| fraud fingerprints included | — | 10000 fingerprints/month |
| guide users | 2500 users | — |
| guide users overage | $0.05/user USD/user | — |
| m2m tokens included | — | 1000 tokens |
| mau included | — | 10000 users/month |
| messages monthly | 50000 messages/mo | — |
| messages overage | $0.005/message USD/message | — |
| organizations | — | unlimited orgs |
| sso connections included | — | 5 conns |
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).
Stytch · 15 features
- B2B Auth — Multi-tenant auth: organizations, roles, JIT provisioning, enterprise SSO, SCIM.
- B2C Auth — Consumer auth: passwordless (magic links, OTP), passwords, OAuth, passkeys, WebA…
- Device Fingerprinting — Fingerprint devices at signup/login. Block bots, credential stuffing, and ATO at…
- Device-Fingerprint Risk API — Real-time risk scoring API usable even without full auth.
- Enterprise SSO (OIDC) — OIDC SSO per organization.
- Enterprise SSO (SAML) — SAML 2.0 SSO per organization. Self-serve admin portal.
- JIT Provisioning — Auto-create users in an org on first SSO sign-in.
- Machine-to-Machine — Client-credentials OAuth for service-to-service.
- OAuth / Social — Google, Apple, Microsoft, GitHub, Slack, Discord, Facebook, LinkedIn, Amazon, Bi…
- Organizations — Multi-tenant primitive with policies per org.
- Passkeys (WebAuthn) — FIDO2 passkey enrollment and authentication.
- Passwordless — Magic links (email) + OTP (email/SMS/WhatsApp) + embeddable magic links.
- RBAC — Roles and permissions per organization (B2B).
- SCIM Provisioning — Directory user/group provisioning from Okta, Azure, Google Workspace.
- Sessions — JWT or opaque session tokens. Configurable lifetime.
Developer interfaces
| Kind | Knock | Stytch |
|---|---|---|
| CLI | Knock CLI | — |
| SDK | knockapi (Python), knockapi (Ruby), knock-elixir, knock-go, knock-java, @knocklabs/node, @knocklabs/react | Android SDK, Go backend SDK, iOS SDK, Java backend SDK, JavaScript SDK, Next.js SDK, Node backend SDK, Python backend SDK, React SDK, Ruby backend SDK |
| REST | Knock REST API | B2B API, B2C API |
| MCP | Knock MCP Server | — |
| OTHER | Outbound Webhooks | — |
Staxly is an independent catalog of developer platforms. Some links to Knock and Stytch 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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