OneSignal
by OneSignal
Free push notification service for web and mobile apps with segmentation
Score
Score
Our verdict
OneSignal is the most popular push notification service with a generous free tier, supporting web push, mobile push, email, SMS, and in-app messaging.
Overview
Screenshot
Score breakdown
Overall score
Scores are editorial assessments by the Compare Best AI team on a 0–10 scale.
Expert review
CompareBestAI Team
Compare Best AI · Editorial Team
OneSignal is the leading push notification platform used by 1M+ apps and websites. The free tier supports unlimited web push subscribers and up to 10,000 mobile subscribers — significantly more generous than alternatives.
How we tested
Days tested
30 days
Tasks evaluated
- ·Web push setup
- ·Mobile push
- ·Segmentation
- ·Email integration
- ·API testing
Method
Compared against Firebase and Pushover
Reviewer
CompareBestAI Team
Plans & pricing
Free
Most apps
- Unlimited web push
- 10K mobile subscribers
- Basic segmentation
- Email (limited)
- Templates
Growth
Growing apps
- Advanced segmentation
- Email + SMS
- A/B testing
- Analytics
- Priority delivery
Pricing may vary by region. Always verify on the vendor's website.
Feature comparison
| Feature | OneSignal | Firebase | Pusher |
|---|---|---|---|
| Unlimited free web push |
Is it right for you?
Good fit for
Push notifications
Most popular platform with generous free tier
Multi-channel
Web, mobile, email, SMS, and in-app in one
Less suited for
Enterprise SLA
Limited support on free/growth plans
Complex analytics
Dedicated analytics tools offer more depth
User reviews
Editorial score
Distribution is estimated from our editorial score. Verified user reviews coming soon.
Use cases
Typical ways teams rely on this tool — from everyday tasks to specialized workflows.
- Push notifications
- Web push
- Mobile push
- SMS
- In-app messaging
Integrations
Reported connectors
Apps and services commonly connected out of the box or via official connectors.
- iOS
- Android
- Web
- React Native
- Flutter
- Unity
- Segment
- Zapier
- REST API
Privacy & compliance
Security & data practices
Highlights we track from the vendor's documentation. Always confirm current terms, subprocessors, and regional policies on their official site.
- GDPR-ready
- SSO/SAML
Details
Category
Price
- $0/mo
Free version
Best for
- Push notifications at scale
- Lifecycle messaging
- Cross-channel customer engagement
Frequently asked questions
OneSignal
Niche / Other
Ready to get started?
Visit the OneSignal website to explore plans and start your free trial.
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