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OneSignal

Push notification and lifecycle messaging platform for mobile apps and websites.

Free plan + paidPush notification and customer engagement platforms
Visit OneSignalSee 2 alternatives
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About OneSignal

OneSignal is one of the most widely used services for sending push notifications to mobile apps and websites. Developers add its SDK (Android, iOS, Flutter, React Native, Expo, Unity and others) and marketers then send messages from a dashboard or through the API. Over the years it has grown into a broader engagement tool: in-app messages, email, SMS and RCS, iOS Live Activities, audience segments, A/B tests and visual Journeys for multi-step campaigns. The free plan is generous for small apps, which is why indie developers often start here. Paid pricing mixes a platform fee with usage: mobile push is billed per monthly active user, web push per subscriber and email or SMS per send, with Professional and Enterprise tiers quoted by sales. It is a hosted service with a web dashboard and REST API.

Best for: App and website teams that want push notifications running quickly, from free up to large scale.

Pros and cons

What works

  • Free plan covers basic mobile and web push
  • SDKs for native and cross-platform frameworks
  • Push, in-app, email and SMS from one dashboard
  • Unlimited sends for mobile push, priced by active users

Why people leave

  • 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

Top OneSignal alternatives

See all 2
  1. 1Firebase logo
    Firebase

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

    71.8
  2. 2Customer.io logo
    Customer.io

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

    50.0

Why people left OneSignal

In reviewers' own words, from reviews of the apps they moved to. These are their opinions, not ours.

No switching stories yet. If you moved away from OneSignal, review the app you switched to and tell us why.

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OneSignal: common questions

Is OneSignal free?

OneSignal has a free plan and paid plans. Free plan: $0/month (checked on OneSignal's own site).

Is OneSignal open source?

No, OneSignal is not open source.

What platforms does OneSignal run on?

OneSignal is available for Web.

What are the best alternatives to OneSignal?

The highest-ranked OneSignal alternatives right now are Firebase and Customer.io. See the full ranked list for pricing, platforms and verified facts.

See all 2 OneSignal alternatives