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Blackfire vs Sentry

Blackfire lands on Depends, and Sentry lands on Worth it.

Sentry

sentry.io

Worth it
Confidence: Medium

Buy if your team ships software and wants the de facto standard for error tracking . free tier, huge adoption, deep platform.

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Blackfire versus Sentry
CompareBlackfireSentry
VerdictDependsWorth it
Best forPHP/Symfony teams hunting bottlenecksSoftware teams shipping to production
Who it's not forSmall sites wanting basic uptime monitoringNon-technical teams . it monitors code, not people
PrivacyHIPAA/PCI compliance pages published; one public 2020 CVE against the Blackfire Docker image (missing authentication).⁶Advisories target self-hosted Sentry (old authenticated RCE, SAML SSO auth flaw); vendor runs a public security program.
Support qualityDocs exist; no reviews on supportNo support evidence found
Public sentimentPublic user reviews for are scarce; comparison sites mostly frame it against Sentry and other APM tools.⁹G2 reviewers praise effectiveness across 226 reviews, while Reddit threads focus on cost and hunting alternatives.10
Biggest gotcha2020 CVE: Blackfire Docker image shipped with missing authentication . patch old deployments.⁶Event-based pricing: one noisy service can blow past entry tiers; model error volume before committing

Pick Blackfire when

  • PHP/Symfony teams hunting bottlenecks
  • Python shops needing production profiling
  • E-commerce sites with performance pain
  • Platform.sh / Upsun customers

When Blackfire is not a fit

  • Small sites wanting basic uptime monitoring
  • Node, Ruby, or Go stacks
  • Budget buyers wanting a full-APM free tier
  • Teams without a developer to read profiles

Pick Sentry when

  • Software teams shipping to production
  • Dev-first orgs wanting fast error triage
  • Mobile and web app monitoring
  • Startups through enterprise

When Sentry is not a fit

  • Non-technical teams . it monitors code, not people
  • Hobby projects that can live with console logs
  • Teams wanting full logs+metrics+traces observability in one tool
  • High-volume apps on tight budgets without cost controls

Sources

  1. Crush performance bottlenecks | Blackfire PHP & Pythonblackfire.io
    official
  2. What is Blackfire?docs.blackfire.io
    official
  3. Blackfire Pricingblackfire.io
    official
  4. Blackfire Code Security Checksblackfire.io
    official
  5. Blackfire HIPAA and PCI complianceblackfire.io
    official
  6. CVE-2020-35466 Detailnvd.nist.gov
    security
  7. Blackfire.io Revenue 2025: $330K Est. ARRgetlatka.com
    news
  8. Companies that use Blackfire.io (12)theirstack.com
    news
  9. blackfire.io vs Sentrytrustradius.com
    review
  10. Blackfire Alternatives & Competitorsg2.com
    review
  11. Profiling services discussion, r/PHPreddit.com
    review
  12. Blackfire and recent performance optimizations in ownCloudowncloud.com
    news
  13. Easypara and Dn'D 30-day migration successupsun.com
    news
  14. Dirt Bike Spec Case Studykanukadigital.com
    news
  15. Sentry Pricing: Free Developer Plan, Pay as You Growsentry.io
    official
  16. Sentry Security, Privacy, and Compliance Practicessentry.io
    official