GitHub Actions vs Knock
CI/CD native to GitHub — workflows + marketplace + hosted runners
vs. Notifications-as-a-service: in-app feeds, email, push, SMS, chat via one API
Pricing tiers
GitHub Actions
Public Repos
$0. Free unlimited minutes on hosted runners (Linux). No private runners.
$0 base (usage-based)
Free (Personal)
$0. 2,000 minutes/mo private repos (Linux). 500MB Packages storage.
Free
Per-minute Overage
$0.008/min Linux ($0.08 macOS, $0.016 Windows) after included minutes.
$0/mo
Team
$4/user/mo. 3,000 minutes/mo. 2GB storage. Org management.
$4/mo
Enterprise
$21/user/mo. 50,000 minutes/mo. 50GB storage. SAML SSO, audit.
$21/mo
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
Free-tier quotas head-to-head
Comparing free on GitHub Actions vs starter on Knock.
| Metric | GitHub Actions | Knock |
|---|---|---|
| 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
GitHub Actions · 18 features
- Actions Cache — Persistent cache across runs.
- Actions Marketplace — 20K+ reusable actions.
- ARC (K8s Controller) — Autoscale self-hosted on K8s.
- Artifacts — Upload/download job outputs.
- Composite Actions — Actions made of other actions.
- Concurrency Groups — Cancel / queue overlapping runs.
- Container Jobs — Run a whole job in a Docker image.
- Environments + Approvals — Gate deploys with manual approval.
- Job Summaries — Markdown summaries in UI.
- Larger Runners — 4-64 vCPU, ARM, GPU.
- Matrix Strategy — Fan out over axes.
- OIDC Cloud Auth — Exchange JWT for cloud credentials.
- Reusable Workflows — workflow_call.
- Secrets + Variables — Encrypted org/repo/env secrets.
- Self-Hosted Runners — Your own runners.
- Service Containers — Sidecar containers (DBs, Redis) per job.
- Triggers — push, pull_request, schedule, workflow_dispatch, etc.
- Workflows — Event-driven YAML workflows.
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).
Developer interfaces
| Kind | GitHub Actions | Knock |
|---|---|---|
| CLI | gh run CLI | Knock CLI |
| SDK | @actions/* toolkit | knockapi (Python), knockapi (Ruby), knock-elixir, knock-go, knock-java, @knocklabs/node, @knocklabs/react |
| REST | GitHub Actions REST API | Knock REST API |
| GRAPHQL | GitHub GraphQL (Actions) | — |
| MCP | — | Knock MCP Server |
| OTHER | Actions Marketplace, Actions Tab (Web), workflow_* webhooks, Workflow YAML | Outbound Webhooks |
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