Blackfire vs Kamon
No clear leader: Blackfire (64.2) and Kamon (59.7) 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.
Blackfire
Blackfire is an Application Performance Management platform offering both monitoring and profiling solutions for PHP and Python applications. It helps teams identify performance bottlenecks, optimize code, and prevent production crises with automated profiling and actionable recommendations.
Kamon
Application performance monitoring platform providing metrics and distributed tracing for backend services. Supports open-source Kamon Telemetry instrumentation and integrates with Prometheus, Jaeger, and other observability tools.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Blackfire
From €33.25/month (Development, annual) to €158.25/month (Production, annual with 2 months free). Demo environment available; free plan for GitHub Student Developer Pack members.
- Production€158.25/month billed yearly (2 months free) or €189.90/month
- Profiling
- Performance Monitoring
- Continuous Profiling
- Alerting
- Continuous Testing
- +16 more
- Development€33.25/month billed yearly (yearly only)
- Profiling
- Manual assertions
- Upsun integration
Kamon
From $89/mo. Free tier includes 5K metrics and 10M spans/month. Fixed subscription with transparent add-ons, no surprise overage charges.
- StarterFree
- High-fidelity metrics with up to 1% error margin
- End-to-end distributed tracing
- Service map with dependencies and realtime status
- Built-in integrations for HTTP, Database, and Akka services
- Track CPU, memory, and file system usage for unlimited hosts
- +4 more
- Teams$89/mo - 10K metrics, 100M spans/mo, 20 team members
- High-fidelity metrics with up to 1% error margin
- End-to-end distributed tracing
- Service map with dependencies and realtime status
- Built-in integrations for HTTP, Database, and Akka services
- Track CPU, memory, and file system usage for unlimited hosts
- +7 more
- Business$299/mo - 30K metrics, 500M spans/mo, 50 team members
- High-fidelity metrics with up to 1% error margin
- End-to-end distributed tracing
- Service map with dependencies and realtime status
- Built-in integrations for HTTP, Database, and Akka services
- Track CPU, memory, and file system usage for unlimited hosts
- +7 more
- EnterpriseContact sales
- Custom metrics capacity
- Custom span limits
- Custom data retention
- Dedicated support
- Volume discounts
- +1 more
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.
Blackfire
- PHPUnit
- Symfony Functional Tests
- Behat
- GitHub Education
- CI/CD pipelines
- Upsun
Kamon
- Prometheus
- Jaeger
- Datadog
- Slack
- PagerDuty
- Akka
- Play Framework
- Cats Effect
- Lagom Framework
- Akka HTTP
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.