Courier vs CircleCI
Notification API with multi-channel orchestration, templates, and preferences
vs. Fast, configurable CI/CD with Docker, ARM, GPU runners and orbs
Pricing tiers
Courier
Free
Up to 10,000 notifications/month. All channels. Community support.
Free
Business
From $99/mo. Higher volumes, advanced routing, preference center, branding removal.
$99/mo
Enterprise
Custom. SOC 2, SSO, dedicated support, volume discounts, SLA.
Custom
CircleCI
Free
$0. 6,000 build minutes/mo (Linux medium). 30 users. Unlimited projects.
Free
Performance
$15/mo (3 users). Credit-based: 80K-240K credits/mo bundles. More concurrency.
$15/mo
Scale
$2,000/mo+ (custom). High concurrency, self-hosted runner support, SSO.
$2000/mo
CircleCI Server
Custom. On-prem deployment of CircleCI. Enterprise only.
Custom
Free-tier quotas head-to-head
Comparing free on Courier vs free on CircleCI.
| Metric | Courier | CircleCI |
|---|---|---|
| notifications monthly | 10000 notifications/mo | — |
Features
Courier · 13 features
- Chat — Slack, Microsoft Teams, Discord, Mattermost.
- Email — SendGrid, Postmark, Mailgun, AWS SES, Resend, SMTP.
- Inbox (In-App) — React/JS drop-in in-app inbox component.
- Lists — Segment recipients for bulk notification sends.
- Logs + Analytics — Per-message delivery timeline + engagement.
- Multi-channel Routing — Provider failover + preferred channel per user.
- Notification Designer — Visual editor for templates across channels.
- Preferences — Per-user notification preferences hub.
- Push — APNs, FCM, Expo, OneSignal.
- Send API — POST /send with template + recipients + data.
- SMS — Twilio, MessageBird, Vonage, Plivo, Telnyx.
- Templates + Versioning — Template brands, variants, localization, version history.
- Webhooks — Delivery + engagement event webhooks.
CircleCI · 17 features
- ARM + GPU Runners — ARM64 + T4 GPU resource classes.
- .circleci/config.yml — Single source of truth (YAML 2.1).
- Contexts — Org-scoped shared env vars.
- Deploy Markers — Track deployments + rollback.
- Docker Layer Caching — Reuse Docker layers.
- Dynamic Config — Generate config based on changed paths.
- Manual Approval — Gate workflows with manual step.
- Matrix Jobs — Parameterized parallel jobs.
- Orbs — Packaged reusable jobs + commands.
- Parallelism — Split a job across N parallel containers.
- Rerun with SSH — SSH into failed job.
- Restricted Contexts — RBAC for secrets.
- Scheduled Pipelines — Cron-triggered runs.
- Self-Hosted Runners — On your infra.
- Test Insights — Flaky test detection + trends.
- Test Splitting — By timings, filenames, classnames.
- Workflows (DAG) — Fan out, fan in, conditional.
Developer interfaces
| Kind | Courier | CircleCI |
|---|---|---|
| CLI | Courier CLI | circleci CLI |
| SDK | courier-go, courier-java, @trycourier/courier, trycourier (Python), @trycourier/react-inbox, trycourier (Ruby) | — |
| REST | Courier REST API | CircleCI REST API v2 |
| OTHER | Courier Studio, Outbound Webhooks | .circleci/config.yml, CircleCI Orbs Registry, CircleCI Webhooks, CircleCI Web UI, Self-Hosted Runner |
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