Datadog vs Knock: Full Comparison (2026)
Pricing, features, scores, and a clear verdict on which one is right for you.
The bottom line
Datadog positions itself as "cloud monitoring and observability platform" while Knock goes after "notification infrastructure for developers" — so the right pick depends on which problem you're actually solving. They take different commercial approaches — Datadog uses a usage-based-based model and Knock a freemium approach, which affects how costs scale as your team grows. Knock lets you start for free, which means you can validate the fit before committing budget. Datadog requires a paid commitment upfront, so make sure it matches your workflow before signing. Datadog (founded 2010) has had more time to build out its ecosystem and integrations, while Knock (2021) tends to move faster on modern UX and newer workflows.
At a glance
| Datadog | Knock | |
|---|---|---|
| Our score | 85/100 | 84/100 |
| Starting price | $15/mo | Free |
| Free tier | No | Yes |
| Best for | Cloud monitoring and observability platform | Notification infrastructure for developers |
Pricing comparison
Calculate your cost
Feature comparison
core
| Feature | Datadog | Knock |
|---|---|---|
| Infrastructure monitoring | Yes | No |
| APM/tracing | Yes | No |
| Log management | Yes | No |
| Synthetic monitoring | Yes | No |
| Dashboards | 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
How costs scale
Knock's pricing curve is steeper — the jump from its entry plan to its top tier is more dramatic than Datadog's. If you're a growing team, model the 12-month cost at your projected team size, not just today's. Datadog tends to stay more predictable as you add seats or usage.
Key capabilities you'd miss
Choosing Datadog means going without Multi-channel notifications, Workflow builder, User preferences (which Knock offers). Choosing Knock means losing Infrastructure monitoring, APM/tracing, Log management. 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
Datadog (5,000+ 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 Datadog if...
- You're ready to invest from $15/mo
- You value powerful features over simplicity
- You need enterprise-grade capabilities
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 Datadog or Knock better?
Datadog scores 85/100 compared to Knock's 84/100 on VendorVS. However, the best choice depends on your needs — Datadog excels at ease of use (7/10) while Knock scores 9/10.
How much does Datadog cost compared to Knock?
Datadog starts at $15/mo. Knock starts at free (free tier available). Knock is the more affordable option.
Does Datadog or Knock have a free plan?
Knock offers a free tier. Datadog does not — its cheapest plan starts at $15/mo.
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