S

Sentry

Developer Tools

Application monitoring and error tracking platform

Founded 2012San Francisco, CA, USAfreemium · Free planFrom Free (5K errors, 1 user); Team $26/month (50K errors); Business $80/monthVerified · Sep 2026
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About Sentry

Sentry is an open-source application monitoring platform that helps developers identify, triage, and fix software errors in real-time across web, mobile, and backend applications.

Editorial Assessment

Sentry is an open-source application monitoring and error tracking platform that captures exceptions, performance bottlenecks, session replays, and code coverage data in production — giving engineering teams the context they need to identify, reproduce, and fix issues faster than with traditional logging. Founded in 2012 by David Cramer and Chris Jennings in San Francisco (growing out of an internal tool Cramer built at Disqus), Sentry has grown to over 100,000 organizations including GitHub, Disney, Cloudflare, and Microsoft. The SDKs cover 30+ languages and frameworks, integrating with Python, JavaScript, React, Node, Go, Ruby, Java, iOS, Android, and more, with a typical integration taking under 10 minutes. Sentry's flagship error tracking groups similar exceptions automatically using fingerprinting, linking each issue directly to the specific release, commit, and author that introduced it — enabling teams to assign bugs to the right developer without triage guesswork. Sentry Performance monitors transaction traces, database queries, and frontend vitals (LCP, FCP, CLS). Session Replay records user sessions around errors for visual reproduction. The free Developer plan allows 5,000 errors and 10,000 performance units per month with one user. Team plans start at $26/month for 50K errors across unlimited users. Business adds advanced features like SSO and quota management at $80/month. Sentry is fully open-source (source available at github.com/getsentry/sentry) and self-hostable.

Strengths
  • Automatic error grouping with commit-level blame linking issues to the exact code change that caused them
  • 30+ language and framework SDKs with typically under 10-minute integration time
  • Session Replay for visual reproduction of user sessions around errors
  • Sentry Performance for full transaction traces, database query monitoring, and Core Web Vitals
  • Source maps support for minified JavaScript — readable stack traces from production bundles
  • Open-source and self-hostable for teams with data residency requirements
  • Release tracking to monitor error rates before and after each deployment
Limitations
  • Free plan's 5,000 error limit quickly hit by production applications with moderate traffic
  • Session Replay storage and quota can add significant cost at scale
  • UI complexity increases with large numbers of projects and teams
  • Self-hosted Sentry requires significant infrastructure management and ongoing maintenance
  • Alert fatigue common without proper inbound rate limiting and issue grouping configuration

Best For

Software engineering teams that need to move from discovering production bugs to fixing them faster Full-stack web and mobile applications requiring error tracking across multiple frameworks Teams using CI/CD pipelines who want error rate visibility per release Organizations with data residency requirements who can self-host Sentry

Not Ideal For

Teams primarily needing infrastructure monitoring (Datadog or New Relic better for infra)Log aggregation as primary use case (Elastic or Splunk better)Very small projects where free tier limits are sufficient long-term

Key Features

Error tracking with automatic grouping and commit blameSession ReplayPerformance monitoring (transaction traces, DB queries)Source maps for JavaScriptRelease tracking and deployment notifications30+ language and framework SDKsOpen-source and self-hostable

Who It's For

Software engineers and development teamsFull-stack web and mobile app teamsDevOps and platform engineering teamsOrganizations needing production error observability

Integrations

GitHubJiraSlackPagerDutyVercelNetlify

Platforms

web api

Founders

  • David Cramer
  • Chris Jennings

Products & Tools

Sentry Error & Performance MonitoringApplication Monitoring / Error Tracking
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Application monitoring platform covering error tracking, performance tracing, session replay, and release health for 30+ languages.

freemium · Free planFrom Free (5K errors); Team $26/month; Business $80/month
Error trackingSession ReplayPerformance monitoring30+ SDKsOpen-source

Sources & Verification

Last reviewed September 2026

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Tags

Error TrackingApplication MonitoringPerformance MonitoringDeveloper Tools

Category

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Official Website

sentry.io

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