Blackfire vs Kamon
On the evidence we track, Blackfire leads this comparison with a composite score of 64/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
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
LeaderA tool for testing and scraping web services, with a domain-specific language for crawling HTTP services, validating responses, and extracting data from HTML, XML, and JSON.
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
LeaderFrom €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
Leader- 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
Blackfire or Kamon: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.