Knock vs PocketBase
Notifications-as-a-service: in-app feeds, email, push, SMS, chat via one API
vs. Open-source backend in a single Go binary
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
PocketBase
Self-Hosted
MIT-licensed single binary. Run on any VPS / Docker / bare metal. No usage caps — only limited by your server.
$0 base (usage-based)
Free-tier quotas head-to-head
Comparing starter on Knock vs self-hosted on PocketBase.
| Metric | Knock | PocketBase |
|---|---|---|
| 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).
PocketBase · 12 features
- Access Rules — Record-level access rules (filter expressions) referencing @request and @collect…
- Admin Dashboard — Built-in web UI for schema + data management.
- Auth — Email+password, OAuth2 (Google, GitHub, Facebook, Apple, Discord, Microsoft, etc…
- Backups — Built-in backup/restore with S3 upload option.
- Built-in Mailer — SMTP integration for verification, password reset, magic link emails.
- Collections — Schema-defined record types with fields, validations, and record/admin/auth acce…
- Embedded JS Engine — JavaScript VM (goja) lets you write hooks in JS without recompiling.
- Extend as Go Library — Embed PocketBase in a larger Go app, add custom routes and events.
- File Storage — Local filesystem or S3-compatible storage with access rules.
- Hooks — Server-side Go or JavaScript hooks that run on CRUD events (OnRecordBeforeCreate…
- Migrations — JS/Go migration scripts applied on startup.
- Realtime Subscriptions — SSE-based subscriptions to collection changes.
Developer interfaces
| Kind | Knock | PocketBase |
|---|---|---|
| CLI | Knock CLI | — |
| SDK | knockapi (Python), knockapi (Ruby), knock-elixir, knock-go, knock-java, @knocklabs/node, @knocklabs/react | Go API (extend as library), pocketbase (Dart), pocketbase (JS SDK) |
| REST | Knock REST API | REST API |
| MCP | Knock MCP Server | — |
| OTHER | Outbound Webhooks | Admin Dashboard, Realtime SSE |
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