OneSignal vs Knock: Which is Better in 2026?
Choosing between OneSignal and Knock comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
OneSignal
Customer messaging platform for push and more
Best for you if:
- • You need push notifications features specifically
- • Push notifications with generous free tier
- • Now includes email, SMS, in-app
Knock
Customer engagement infrastructure for product-led growth, enabling cross-channel messaging and data activation.
Best for you if:
- • You need marketing automation features specifically
- • Developer-first platform for building cross-channel customer messaging.
- • Unifies real-time data to trigger personalized and timely communications.
| At a Glance |  OneSignal |  Knock |
|---|---|---|
Starts at | $99/monthGrowth | $0/month/moDeveloper |
Best For | Push Notifications | Marketing Automation |
Rating | - | - |
Choose OneSignal or Knock?
Choose OneSignal if
Customer messaging platform for push and more
- Generous free tier
- Easy to implement
- Multi-channel support
- Your work is push notifications-shaped, not marketing automation-shaped
Choose Knock if
Customer engagement infrastructure for product-led growth, enabling cross-channel messaging and data activation.
- Comprehensive cross-channel messaging capabilities
- Strong developer-first approach with SDKs, CLI, and AI IDE integration
- Robust data integration and personalization features
- Your work is marketing automation-shaped, not push notifications-shaped
| Feature | OneSignal | Knock |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | No ratings yet | ★4.9/5 70 reviews |
| Categories | Push NotificationsEmail | Marketing AutomationEmail |
In-Depth Analysis
OneSignal
Customer messaging platform for push and more
Strengths
- +Generous free tier
- +Easy to implement
- +Multi-channel support
- +Good documentation
- +Affordable paid plans
Weaknesses
- -Less sophisticated than Braze
- -Limited analytics
- -Basic segmentation
- -Support can be slow
Key features
Knock
Customer engagement infrastructure for product-led growth, enabling cross-channel messaging and data activation.
Strengths
- +Comprehensive cross-channel messaging capabilities
- +Strong developer-first approach with SDKs, CLI, and AI IDE integration
- +Robust data integration and personalization features
- +High scalability and reliability (99.99% uptime, handles hundreds of millions of messages)
- +Compliance with HIPAA, SOC2, GDPR, CCPA
Weaknesses
- -Pricing for higher volumes can become significant with per-message/user costs
- -Enterprise features like advanced security and support require custom quotes
- -Requires technical integration for full utilization of developer tools
Key features
Pricing: OneSignal vs Knock
| Plan | OneSignal | Knock |
|---|---|---|
| Tier 1 | Free Free | $0/month Developer |
| Tier 2 | $99 month Growth | $250/month Starter |
| Tier 3 | $249 month Professional | Contact us Enterprise |
| Tier 4 | Custom Enterprise | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on OneSignal pricing and Knock pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: OneSignal
Want the highest-rated option?
Neither has user reviews yet.
Go with: OneSignal
Value user reviews?
Neither has user reviews yet.
Go with: Knock
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
OneSignal is a push notifications tool. Knock is in marketing automation. Pick the category that matches your needs.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
Knock
- Free tier available
- Our pick for this comparison
OneSignal
- Better fit for push notifications
The Bottom Line
Knock is our pick.
Frequently Asked Questions
Is OneSignal or Knock better?
Knock is rated in our evaluation. Both are freemium.
What are OneSignal and Knock used for?
OneSignal: Customer messaging platform for push and more. Knock: Customer engagement infrastructure for product-led growth, enabling cross-channel messaging and data activation..
What does OneSignal cost vs Knock?
OneSignal is freemium (free tier + paid plans). Knock is freemium (free tier + paid plans). Visit their websites for detailed pricing.