What is the best alternative to OneSignal?

Novu is the top-rated alternative to OneSignal. 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 OneSignal?

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

Best OneSignal Alternatives(2026)

Q: Why do developers switch from OneSignal?

Common reasons to switch from OneSignal: Not developer-API-first; Privacy concerns raised by some; Limited workflow complexity vs Knock.

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

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You're replacing

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

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

Courier

freemium

From $249/month

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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

OneSignal vs Novu OneSignal vs Knock OneSignal vs Courier