DevVersus

Knock vs Courier(2026)

Knock is better for teams that need all notification channels in one. Courier is the stronger choice if non-technical friendly designer. Knock is freemium (from $0 (10,000 notifications/month free)) and Courier is freemium (from $249/month).

Full feature breakdown, pricing details, and pros & cons below.

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Knock logo

Knock

freemium

Knock provides a notification system with multi-channel delivery (email, push, SMS, in-app) and workflow orchestration.

Starting at $0 (10,000 notifications/month free)

Visit Knock
Courier logo

Courier

freemium

Courier is a notification platform with a visual designer for building multi-channel notifications across email, SMS, Slack, push, and more.

Starting at $249/month

Visit Courier

How Do Knock and Courier Compare on Features?

FeatureKnockCourier
Pricing modelfreemiumfreemium
Starting price$0 (10,000 notifications/month free)$249/month
Multi-channel (email, SMS, push, in-app)
Notification templates
Workflow builder
Notification preferences
Batching and digests
Multi-channel API
Visual template designer
Routing rules
Batch & digest
Preference center
50+ integrations

Knock Pros and Cons vs Courier

K

Knock

+All notification channels in one
+Workflow orchestration
+User preference management
+Free tier is generous
Newer platform
Not for bulk marketing email
Smaller community
C

Courier

+Non-technical friendly designer
+Strong routing logic
+Good preference center
+Wide channel support
Expensive
Complex for simple use cases
Limited free tier

Should You Use Knock or Courier?

Choose Knock if…

  • All notification channels in one
  • Workflow orchestration
  • User preference management

Choose Courier if…

  • Non-technical friendly designer
  • Strong routing logic
  • Good preference center

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