What is the best alternative to Courier?

Novu is the top-rated alternative to Courier. It offers Open source and Multi-channel (email, SMS, push, in-app), and is open-source starting at $250/month (cloud)/month.

Is there a free alternative to Courier?

Yes — Novu is a open-source alternative to Courier. Open source

Why do developers switch from Courier?

Common reasons to switch from Courier: Expensive; Complex for simple use cases; Limited free tier.

Best Courier Alternatives(2026)

We compared 3 alternatives to Courier — so you can find the best option for your needs and budget.

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You're replacing

Courier

freemium

One notification API for every channel

Starts at $249/month

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Common reasons to switch

ExpensiveComplex for simple use casesLimited free tier

Novu

open-source

From $250/month (cloud)

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Novu is an open source notification infrastructure for managing in-app, email, SMS, push, and chat notifications via a single API.

Pros

+Open source

+Multi-channel (email, SMS, push, in-app)

+Self-hostable

Cons

−Complex for simple use cases

−Cloud pricing is high

−Still maturing

Multi-channel notificationsIn-app notification centerWorkflow builderDigest & batchingSubscriber management

Knock

freemium

From $100/month

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Knock is a notification delivery platform for product teams to build and manage complex notification workflows across channels.

Pros

+Best-in-class notification workflows

+In-app notification component

+User preferences built-in

Cons

−Expensive vs DIY

−Less known than Twilio

−Limited free tier

Multi-channel workflowsIn-app feedsDigest notificationsPreferences APITemplate management

OneSignal

freemium

From $9/month

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OneSignal is a multi-channel messaging platform for push notifications, in-app messages, email, and SMS.

Pros

+Generous free tier (unlimited push)

+Easy mobile SDK integration

+Good segmentation

Cons

−Not developer-API-first

−Privacy concerns raised by some

−Limited workflow complexity vs Knock

Push notificationsIn-app messagesEmailSMSA/B testing

Compare Courier Head to Head

Courier vs Novu Courier vs Knock Courier vs OneSignal