vioscale
Comparison

Blackfire vs Skylight

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.

Blackfire full profile →Skylight full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
★Blackfire64
Skylight59
Score
Vioscale score
Blackfire64 / 100medium · 72%
Skylight59 / 100low · 49%
Pricing
Free tier
Blackfire✗
Skylight✓
Model
Blackfirecommercial
Skylightfreemium
Price level
Blackfiremid
Skylightmid
Transparent
Blackfire✓
Skylight✓
Integrations
Count
Blackfire6
Skylight7
Security
Disclosure policy
Blackfire✓
Skylight–
Gdpr
Blackfire–
Skylight✓
Hipaa
Blackfire✓
Skylight–
Iso27001
Blackfire✓
Skylight–
Pci
Blackfire✓
Skylight–
Soc2
Blackfire✓
Skylight–
Reliability
Status page
Blackfire✓
Skylight✓
Market
Availability

Capabilities

Feature-by-feature on the axes that matter for apm tools. “-” means undocumented, not absent.

Instrumentation
Auto-instrumentation
Blackfire✓
Skylight✓
Distributed tracing
Blackfire✓
Skylight-
Insight
Service map
Blackfire-
Skylight-
Code / continuous profiling
Blackfire✓
Skylight✓
Database monitoring
Blackfire✓
Skylight✓
Error analytics
Blackfire-
Skylight✓
Real-user monitoring
Blackfire✓
Skylight✗
SLO / error-budget tracking
Blackfire-
Skylight-
Intelligence
Anomaly / root-cause AI
Blackfire-
Skylight✓
Standards
OpenTelemetry support
Blackfire-
Skylight-
Core
Language agents
BlackfirePHP, Python
SkylightRuby, Rails, Sinatra, Grape
Deployment
Hosting
BlackfireCloud only
SkylightCloud only

What each one is

The product in its own terms, so the numbers below have context.

Blackfire

Leader

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.

Independently observed

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.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Blackfire

Leader
from €33.25/moSubscription

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
as of verify ↗

Skylight

from $20/moHybridFree tier30-day trial

Free tier with 100,000 monthly traces; paid tiers starting at $20/month

  • FreeFree
  • Pay-as-you-goStarting at $20/month
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Blackfire✓
Skylight✓
CLI
Blackfire✓
Skylight✗
Deployment
Cloud / SaaS
Blackfire✓
Skylight✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Blackfire

Leader
6 total
  • PHPUnit
  • Symfony Functional Tests
  • Behat
  • GitHub Education
  • CI/CD pipelines
  • Upsun
Independently observed

Skylight

7 total
  • Sidekiq
  • DelayedJob
  • ActiveJob
  • Sinatra
  • Grape
  • GraphQL
  • MCP
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.