DevVersus

OneSignal vs Knock(2026)

OneSignal is better for teams that need generous free tier (unlimited push). Knock is the stronger choice if best-in-class notification workflows. OneSignal is freemium (from $9/month) and Knock is freemium (from $100/month).

Full feature breakdown, pricing details, and pros & cons below.

Affiliate disclosure: Some “Visit” links on this page are affiliate links. We may earn a commission if you sign up — at no extra cost to you. It does not affect our rankings or editorial coverage. Learn more.

OneSignal logo

OneSignal

freemium

OneSignal is a multi-channel messaging platform for push notifications, in-app messages, email, and SMS.

Starting at $9/month

Visit OneSignal
Knock logo

Knock

freemium

Knock is a notification delivery platform for product teams to build and manage complex notification workflows across channels.

Starting at $100/month

Visit Knock

How Do OneSignal and Knock Compare on Features?

FeatureOneSignalKnock
Pricing modelfreemiumfreemium
Starting price$9/month$100/month
Push notifications
In-app messages
Email
SMS
A/B testing
Audience segmentation
Multi-channel workflows
In-app feeds
Digest notifications
Preferences API
Template management
Real-time delivery

OneSignal Pros and Cons vs Knock

O

OneSignal

+Generous free tier (unlimited push)
+Easy mobile SDK integration
+Good segmentation
+Wide platform support
Not developer-API-first
Privacy concerns raised by some
Limited workflow complexity vs Knock
K

Knock

+Best-in-class notification workflows
+In-app notification component
+User preferences built-in
+Good docs
Expensive vs DIY
Less known than Twilio
Limited free tier

Should You Use OneSignal or Knock?

Choose OneSignal if…

  • Generous free tier (unlimited push)
  • Easy mobile SDK integration
  • Good segmentation

Choose Knock if…

  • Best-in-class notification workflows
  • In-app notification component
  • User preferences built-in

More Notifications & SMS Comparisons