Knock vs Mixpanel
Notifications-as-a-service: in-app feeds, email, push, SMS, chat via one API
vs. Enterprise product analytics — behavioral cohorts + funnels + A/B
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
Mixpanel
Free
1M events/month cap. Unlimited seats, 5 saved reports, 10K session replays/month. No credit card.
Free
Growth
Usage-based. First 1M events free, then $0.28 per 1K events (volume discounts). 20K session replays/mo.
$0 base (usage-based)
Startup Program
First year free for <5-year companies with <$8M funding.
$0 base (usage-based)
Enterprise
Custom. Unlimited events. Experiments + feature flags. HIPAA, SOC 2 Type II. 24/7 support.
Custom
Free-tier quotas head-to-head
Comparing starter on Knock vs free on Mixpanel.
| Metric | Knock | Mixpanel |
|---|---|---|
| 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).
Mixpanel · 13 features
- Alerts — Anomaly + threshold alerts on metrics.
- Campaign Reporting — UTM + multi-touch attribution reporting.
- Cohorts — Dynamic user segments from event behavior + properties.
- Dashboards — Multi-report dashboards with slices.
- Data Governance — Property schemas, approvals, lineage. Enterprise only.
- Data Warehouse Connectors — Sync from/to Snowflake, BigQuery, Databricks, Redshift.
- Experiments (A/B) — Feature-flag-backed experiments. Enterprise only.
- Feature Flags — Targeting + rollouts. Enterprise tier.
- Flows — User path visualization (where do users go).
- Funnels — Conversion step-by-step analysis with drop-off + time-to-convert.
- Insights (Reports) — Ad-hoc exploration with filters, breakdowns, math operators.
- Retention — N-day retention curves segmented by cohort.
- Session Replay — Record + watch user sessions tied to events.
Developer interfaces
| Kind | Knock | Mixpanel |
|---|---|---|
| CLI | Knock CLI | — |
| SDK | knockapi (Python), knockapi (Ruby), knock-elixir, knock-go, knock-java, @knocklabs/node, @knocklabs/react | mixpanel-android, mixpanel-js (browser), mixpanel-node, mixpanel-python, mixpanel-react-native, Mixpanel-swift (iOS) |
| REST | Knock REST API | Mixpanel Ingestion API, Query API |
| MCP | Knock MCP Server | — |
| OTHER | Outbound Webhooks | — |
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