Datadog vs Checkly
Datadog is cloud-scale monitoring and observability platform for infrastructure, applications, and logs, while Checkly is API and browser monitoring with Playwright tests, deployed via code. The biggest difference up front: Checkly is free, while Datadog starts at $15/host/mo. Datadog is built for engineering teams running complex, multi-service infrastructure at scale, whereas Checkly targets devops teams wanting monitoring as code.
| Feature | Datadog | Checkly |
|---|---|---|
| Free tier available | ✓ | ✓ |
| Open source | — | — |
| API Checks | — | ✓ |
| APM | ✓ | — |
| Alerting | ✓ | — |
| Alerts | — | ✓ |
| Dashboards | ✓ | — |
| Infrastructure Monitoring | ✓ | — |
| Log Management | ✓ | — |
| Monitoring as Code | — | ✓ |
| Playwright | — | ✓ |
Pricing: Checkly is completely free (Free for 5 checks), which makes it the obvious pick if budget is the top concern. Datadog starts at $15/host/mo, but Free for up to 5 hosts with basic metrics. That cost buys you a more polished or feature-rich experience, so it comes down to whether the extras justify the spend.
Feature gaps: Datadog offers APM, Alerting and Dashboards that Checkly lacks. Checkly brings API Checks, Alerts and Monitoring as Code that Datadog does not have.
Team fit: Datadog is geared toward enterprise teams, while Checkly is aimed at small teams teams. Pick the one that matches where your team is today and where it is headed — migrating tools later is always painful.
Where each tool shines: Datadog's biggest strengths are: most comprehensive monitoring platform available. 750+ integrations covering virtually every technology. Checkly's biggest strengths are: includes monitoring as code as a core feature, purpose-built for monitoring workflows. includes playwright as a core feature, purpose-built for monitoring workflows.
Watch out for: With Datadog, users commonly note that pricing is complex and gets very expensive at scale. With Checkly, the main complaint is that free plan exists but key features are locked behind the paid upgrade.
choose Datadog if
- You need a tool built for engineering teams running complex, multi-service infrastructure at scale
- You specifically need APM and Alerting
- You care about 750+ integrations covering virtually every technology
- Your team size fits the enterprise profile Datadog is designed for
- The free tier works for you: free for up to 5 hosts with basic metrics
choose Checkly if
- You need a tool built for devops teams wanting monitoring as code
- Budget is a hard constraint — Checkly is free, Datadog is not
- You specifically need API Checks and Alerts
- You care about includes playwright as a core feature, purpose-built for monitoring workflows
- Your team size fits the small teams profile Checkly is designed for
frequently asked
What is the difference between Datadog and Checkly?
Datadog is cloud-scale monitoring and observability platform for infrastructure, applications, and logs, while Checkly is API and browser monitoring with Playwright tests, deployed via code. The biggest difference up front: Checkly is free, while Datadog starts at $15/host/mo. Datadog is built for engineering teams running complex, multi-service infrastructure at scale, whereas Checkly targets devops teams wanting monitoring as code.
Should I use Datadog or Checkly?
Checkly is the free option; Datadog charges $15/host/mo but may offer more polish. Here is how they compare.
When should I choose Datadog over Checkly?
Choose Datadog if You need a tool built for engineering teams running complex, multi-service infrastructure at scale; You specifically need APM and Alerting; You care about 750+ integrations covering virtually every technology; Your team size fits the enterprise profile Datadog is designed for; The free tier works for you: free for up to 5 hosts with basic metrics.
When should I choose Checkly over Datadog?
Choose Checkly if You need a tool built for devops teams wanting monitoring as code; Budget is a hard constraint — Checkly is free, Datadog is not; You specifically need API Checks and Alerts; You care about includes playwright as a core feature, purpose-built for monitoring workflows; Your team size fits the small teams profile Checkly is designed for.
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