AppBreakup

OneSignal alternatives: 2 apps ranked by verified data

Facts checked Nov 1, 2026AppBreakup editorialHow we rank

Common reasons people leave OneSignal: usage-based pricing across channels can be hard to predict, and segments, data tags and Journeys are tightly limited on lower plans. We ranked 2 alternatives by how directly each one replaces OneSignal, then by reviews, real visits and how recently each app's facts were checked against its own website. Firebase currently ranks first.

No alternatives match these filters.

Show all 2 alternatives

The best OneSignal alternative for…

The highest-ranked app in this list for each need.

Firebase logo

Best OneSignal alternative for most people

Firebase

Firebase Cloud Messaging sends push for free if you only need delivery, not campaigns.

Firebase logo

Best OneSignal alternative for a free plan you can upgrade

Firebase

Firebase Cloud Messaging sends push for free if you only need delivery, not campaigns.

Firebase logo

Best OneSignal alternative for iPhone and Android

Firebase

Firebase Cloud Messaging sends push for free if you only need delivery, not campaigns.

Customer.io logo

Best OneSignal alternative for working in the browser

Customer.io

Event-driven messaging with strong email workflows plus push and in-app.

OneSignal alternatives: common questions

What is the best alternative to OneSignal?

Firebase ranks first right now. Firebase Cloud Messaging sends push for free if you only need delivery, not campaigns.

Is there a free alternative to OneSignal?

Yes. Firebase (free plan + paid) has a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to OneSignal?

None of the 2 alternatives in this list is open source.

Why do people switch from OneSignal?

The complaints we hear most: usage-based pricing across channels can be hard to predict; segments, data tags and Journeys are tightly limited on lower plans; SMS and advanced plans require talking to sales.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces OneSignal, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.