Clerk vs Knock: Full Comparison (2026)
Pricing, features, scores, and a clear verdict on which one is right for you.
The bottom line
Clerk positions itself as "authentication built for modern react and next.js apps" while Knock goes after "notification infrastructure for developers" — so the right pick depends on which problem you're actually solving. Both use freemium pricing, but Clerk charges per mau while Knock charges per message — a meaningful difference for larger teams.
At a glance
| Clerk | Knock | |
|---|---|---|
| Our score | 85/100 | 84/100 |
| Starting price | Free | Free |
| Free tier | Yes | Yes |
| Best for | Authentication built for modern React and Next.js apps | Notification infrastructure for developers |
Pricing comparison
Calculate your cost
Feature comparison
core
| Feature | Clerk | Knock |
|---|---|---|
| Pre-built UI components | Yes | No |
| OAuth / OIDC | Yes | No |
| Social login | Yes | No |
| MFA | Yes | No |
| Passkeys | Yes | No |
| Multi-channel notifications | No | Yes |
| Workflow builder | No | Yes |
| User preferences | No | Yes |
| In-app feed | No | Yes |
| Template management | No | Yes |
Ratings breakdown
What the data tells us
Key capabilities you'd miss
Choosing Clerk means going without Multi-channel notifications, Workflow builder, User preferences (which Knock offers). Choosing Knock means losing Pre-built UI components, OAuth / OIDC, Social login. These are the features that typically drive the final decision — check whether your workflow depends on any of them before committing.
What company size tells you
Clerk (51-200 employees) has the engineering bench to ship features across many fronts but may iterate slower on individual requests. Knock (1-10 employees) typically ships faster on its core product but may lag on peripheral features. Consider which matters more for your roadmap.
Choose Clerk if...
- You want a free tier to get started
- You value an intuitive, easy-to-use interface
- Getting strong value for money is a priority
Choose Knock if...
- You want a free tier to get started
- You value an intuitive, easy-to-use interface
- Getting strong value for money is a priority
Frequently asked questions
Is Clerk or Knock better?
Clerk scores 85/100 compared to Knock's 84/100 on VendorVS. However, the best choice depends on your needs — Clerk excels at ease of use (10/10) while Knock scores 9/10.
How much does Clerk cost compared to Knock?
Clerk starts at free (free tier available). Knock starts at free (free tier available). Clerk is the more affordable option.
Does Clerk or Knock have a free plan?
Yes, both Clerk and Knock offer free tiers, so you can try each before committing to a paid plan.
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