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Best OneSignal Alternatives(2026)

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

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OneSignal

freemium

The market-leading push notification service

Starts at $9/month

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Common reasons to switch

Not developer-API-firstPrivacy concerns raised by someLimited workflow complexity vs Knock
Novu logo1

Novu

open-source

From $250/month (cloud)

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 logo2

Knock

freemium

From $100/month

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
Courier logo3

Courier

freemium

From $249/month

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

Pros

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

Cons

Expensive
Complex for simple use cases
Limited free tier
Multi-channel APIVisual template designerRouting rulesBatch & digestPreference center

Compare OneSignal Head to Head