Sentry

About Sentry

Financials

Dated, source-cited figures. Estimates are marked.

Products by Sentry

All products by Sentry reviewed by our AI panel of experts.

SentryAI DevOps

Application monitoring and error tracking for developers

From $26/mo8.3/10

How Our Review Panel Scores Sentry

Six independent reviewer personalities assessed Sentry's product on their own terms. They landed within 0.7 points of each other, an unusually strong consensus.

Averaged across 1 reviewed product in our catalog. Scores are out of 10.

Competitive Landscape

Who Sentry competes with, and how they differ.

New Relic, Inc.8.1/10

Full-stack observability platform covering infrastructure, APM, and logs, priced on data ingest volume rather than Sentry's error/event-based pricing, competing more for broad enterprise monitoring budgets than pure error tracking.

1 product reviewed on TopReviewed

Honeycomb.io8.5/10

Focused on high-cardinality distributed tracing and observability built on OpenTelemetry, targeting engineering teams debugging complex production systems rather than Sentry's front-end error and crash reporting use case.

1 product reviewed on TopReviewed

Grafana Labs8.5/10

Open-source-based metrics, logs, and traces visualization stack (Grafana, Loki, Tempo) that teams self-host or run via Grafana Cloud, competing on infrastructure observability rather than application-level error tracking and session replay.

1 product reviewed on TopReviewed

Datadog7.0/10

Broader observability and security platform spanning infrastructure monitoring, APM, logs, and error tracking, priced per host/service with usage-based add-ons, competing directly with Sentry's error tracking module as one piece of a much larger suite.

1 product reviewed on TopReviewed

R

Rollbar

Dedicated error monitoring tool with a narrower feature set than Sentry (no built-in performance monitoring or session replay), positioned as a lighter-weight, lower-cost alternative for teams that only need crash/error alerting.

Harness Inc.8.0/10

CI/CD and software delivery platform with feature flagging and deployment management, overlapping with Sentry mainly through release health and error-based rollback features rather than core error monitoring.

1 product reviewed on TopReviewed

Company Timeline

Key milestones in Sentry's history, with sources.

1. Jun 17, 2025Launch

   Seer AI Debugger reaches General Availability

   Sentry's AI debugging agent Seer became generally available to all paid customers, having helped fix over 38,000 issues in beta with a reported 94.5% root-cause accuracy.

   sentry.io
2. May 6, 2025Acquisition

   Acquires Emerge Tools

   Sentry acquired Emerge Tools, a mobile app development and build-size analysis platform, to strengthen its mobile app monitoring solution; deal terms were not disclosed.

   sentry.io
3. Apr 12, 2023Acquisition

   Acquires developer podcast Syntax

   Sentry acquired the Syntax web development podcast hosted by Scott Tolinski and Wes Bos, one of Sentry's earliest sponsorship partners; deal terms were not disclosed.

   blog.sentry.io
4. Nov 30, 2022Acquisition

   Acquires Codecov

   Sentry acquired Codecov, a code coverage reporting tool, to give developers visibility into code quality earlier in the development cycle; deal terms were not disclosed.

   sentry.io
5. May 4, 2022Funding

   Series E -- $90M co-led by Bond and Accel at $3B+ valuation

   Sentry raised $90 million in a Series E round co-led by Bond and Accel with participation from NEA and new investor K5 Global, bringing total funding to $217 million and valuing the company at more than $3 billion.

   sentry.io
6. Dec 8, 2021Acquisition

   Acquires Specto

   Sentry acquired analytics firm Specto to add continuous profiling to its mobile application monitoring product.

   sentry.io
7. Feb 18, 2021Funding

   Series D -- $60M led by Accel at $1B valuation

   Sentry raised $60 million in a Series D round led by Accel with participation from NEA and new investor Bond, bringing total funding to $127 million and a post-funding valuation of $1 billion.

   sentry.io
8. Sep 24, 2019Funding

   Series C -- $40M led by Accel

   Sentry raised a $40 million Series C led by returning investor Accel with participation from NEA, bringing total funding to about $66.5 million.

   techcrunch.com
9. May 24, 2018Funding

   Series B -- $16M from NEA and Accel at ~$100M valuation

   Sentry raised a $16 million Series B led by returning investors NEA and Accel; CEO David Cramer told TechCrunch the round valued the company at approximately $100 million post-money.

   techcrunch.com
10. Jun 23, 2016Funding

    Series A -- $9M led by NEA with Accel

    Sentry raised a $9 million Series A led by NEA with participation from Accel, valuing the company at more than $40 million post-money per co-founder David Cramer.

    techcrunch.com
11. 2015Funding

    Seed round -- $1.5M led by Accel

    Sentry raised a $1.5 million seed round led by Accel, the firm's first investment in the company; the founders used it to grow the team from three to fourteen people.

    accel.com