Datadog APM vs Skylight
No clear leader: Datadog APM (63.4) and Skylight (59.0) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for apm tools. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Datadog APM
An observability platform providing code-level distributed tracing across web and mobile frontends, backend services, and databases. Correlates traces with logs, metrics, real-user monitoring data, and security signals to enable teams to detect root causes quickly and optimize application performance.
Skylight
Skylight visualizes performance data to help identify and fix bottlenecks in Ruby and Rails apps. It includes endpoint analysis, SQL profiling, deploy tracking, and background job monitoring.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Datadog APM
Pricing not documented yet.
Skylight
Free tier with 100,000 monthly traces; paid tiers starting at $20/month
- FreeFree
- Pay-as-you-goStarting at $20/month
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
Datadog APM
- Google Vertex AI
- Google Cloud Security Command Center
- Google Cloud SQL
- Google Cloud Run
- Google Cloud Dataflow
Skylight
- Sidekiq
- DelayedJob
- ActiveJob
- Sinatra
- Grape
- GraphQL
- MCP
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.