Knock vs Trigger.dev
Notifications-as-a-service: in-app feeds, email, push, SMS, chat via one API
vs. Open-source background jobs with no timeouts and full observability
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
Trigger.dev
Free
$0. 5K runs/mo. 1 concurrent run. 1 team member. 7-day log retention.
Free
Self-Host (OSS)
Free. Apache-2.0 license. Docker Compose + Postgres + Redis.
$0 base (usage-based)
Hobby
$10/mo. 50K runs/mo. 25 concurrent. Unlimited queue time.
$10/mo
Pro
$50/mo (starts at — usage scales). 250K runs/mo baseline. 100 concurrent. Priority.
$50/mo
Enterprise
Custom. HIPAA, SSO, dedicated clusters, on-prem.
Custom
Free-tier quotas head-to-head
Comparing starter on Knock vs free on Trigger.dev.
| Metric | Knock | Trigger.dev |
|---|---|---|
| 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).
Trigger.dev · 13 features
- Batch Trigger — Trigger many runs at once with limits.
- Environment Variables — Manage secrets in dashboard.
- Idempotency Keys — Prevent duplicate runs.
- Machine Sizing — Pick CPU/RAM per task.
- Queues + Concurrency — Named queues for controlled throughput.
- Realtime + React Hooks — Subscribe to run progress from client.
- Retries — Exponential + custom strategies.
- Schedules — Cron-triggered runs.
- Self-Hosting — Run locally or on your infra.
- Subtasks + triggerAndWait — Compose tasks by triggering children.
- Task Metadata — Attach arbitrary metadata to runs.
- Tasks — Define long-running TS tasks.
- wait.for / wait.until — Durable waits — minutes, hours, days.
Developer interfaces
| Kind | Knock | Trigger.dev |
|---|---|---|
| CLI | Knock CLI | trigger.dev CLI |
| SDK | knockapi (Python), knockapi (Ruby), knock-elixir, knock-go, knock-java, @knocklabs/node, @knocklabs/react | @trigger.dev/react-hooks, @trigger.dev/sdk |
| REST | Knock REST API | Trigger.dev REST API |
| MCP | Knock MCP Server | — |
| OTHER | Outbound Webhooks | Trigger.dev Dashboard, Trigger.dev Webhooks |
Staxly is an independent catalog of developer platforms. Some links to Knock and Trigger.dev 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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