Overview

Bugsnag is a platform designed for proactive error detection and crash reporting across a range of software applications. It provides tools for monitoring application stability, automatically detecting unhandled exceptions, and delivering diagnostic information to development teams. The platform aims to help engineers understand the root cause of errors, prioritize fixes based on impact, and improve overall application quality. Bugsnag supports a variety of programming languages and frameworks, with SDKs available for mobile platforms like Android and iOS, cross-platform frameworks such as React Native and Flutter, and backend environments like Node.js, Python, and Java.

Developers use Bugsnag to collect real-time error data, including stack traces, device information, user activity, and application state at the time of an error. This data is aggregated and presented through a dashboard that allows for filtering, searching, and grouping of errors. Key features include automatic error grouping, which consolidates similar errors to reduce noise, and intelligent prioritization based on factors like user impact and error frequency. Bugsnag also offers customizable alerts, allowing teams to be notified via various channels when new errors occur or existing errors escalate. The platform is suitable for organizations that require detailed diagnostic information and aim to maintain high levels of application stability, particularly those with complex or cross-platform applications.

Bugsnag integrates with common development tools, project management systems, and communication platforms to streamline workflows. For instance, it can create tickets in Jira or send notifications to Slack channels, facilitating collaboration between development, QA, and operations teams. While competitors like Sentry also offer extensive crash reporting, Bugsnag emphasizes detailed error context and impact analysis. Firebase Crashlytics provides a free solution for mobile app crashes, but Bugsnag extends its support to web and backend applications with more granular control over error data and customization options, as described in their documentation on platform support Bugsnag's platform support overview. The platform's capabilities are focused on providing actionable insights to prevent errors from affecting end-users and to accelerate the debugging process.

Key features

  • Real-time Error Monitoring: Detects and reports unhandled exceptions and errors as they occur in production environments across various platforms.
  • Detailed Diagnostic Information: Captures full stack traces, release stages, user details, device information, and custom metadata for each error, aiding in root cause analysis.
  • Automatic Error Grouping: Intelligently groups similar errors together to reduce noise and help teams focus on unique issues.
  • Impact Analysis: Provides insights into the business and user impact of errors, helping developers prioritize fixes.
  • Customizable Alerts and Notifications: Configurable alerts via email, Slack, PagerDuty, and other channels for new or escalating errors.
  • Cross-Platform SDKs: Supports a wide range of platforms including iOS, Android, React Native, Flutter, JavaScript, Node.js, Python, Ruby, PHP, .NET, Java, Go, and C++ Bugsnag SDK platforms.
  • User Session Tracking: Monitors the health of user sessions by tracking crashes and errors experienced by individual users.
  • Release Health Monitoring: Tracks the stability of new releases, allowing teams to identify and roll back problematic deployments quickly.
  • Integration Ecosystem: Connects with issue trackers (Jira, GitHub Issues), collaboration tools (Slack, Microsoft Teams), and deployment systems.
  • Security and Compliance: Adheres to compliance standards such as SOC 2 Type II and GDPR Bugsnag Security and Compliance.

Pricing

As of June 2026, Bugsnag offers several pricing tiers based on the number of errors monitored per month.

Plan Name Errors per month Monthly Cost Key Features
Free Up to 2,500 $0 Error monitoring, basic diagnostics, 7-day data retention
Standard Up to 15,000 $19 All Free features, 30-day data retention, custom filters, advanced integrations
Growth Up to 100,000 $99 All Standard features, 90-day data retention, user session tracking, release health
Enterprise Custom Custom All Growth features, custom data retention, dedicated support, advanced security features

More detailed pricing information and current promotions are available on the official Bugsnag pricing page.

Common integrations

Alternatives

  • Sentry: An open-source error tracking platform that provides real-time crash reporting and performance monitoring across multiple languages and frameworks.
  • Firebase Crashlytics: A free crash reporting solution for mobile apps, primarily Android and iOS, offered by Google Firebase.
  • Rollbar: An error monitoring and crash reporting solution that provides real-time insights into application errors across various languages and platforms.
  • Datadog: A monitoring and analytics platform that includes error tracking as part of its broader suite of observability tools.
  • Splunk: An operational intelligence platform that can be configured for error logging and monitoring, particularly for large-scale enterprise data.

Getting started

To integrate Bugsnag into a typical JavaScript application, you would first install the Bugsnag client library for your specific framework or environment. Here's an example of how to set up Bugsnag in a basic Node.js application:

// 1. Install the Bugsnag Node.js package
// npm install @bugsnag/js --save

const bugsnag = require('@bugsnag/js')

bugsnag.start({
  apiKey: 'YOUR_BUGSNAG_API_KEY',
  appVersion: '1.0.0',
  releaseStage: 'production'
})

// Example: Catching an unhandled promise rejection
process.on('unhandledRejection', (reason, p) => {
  bugsnag.notify(reason)
  console.error('Unhandled Rejection at:', p, 'reason:', reason)
  // Application might need to exit or handle this more gracefully
})

// Example: Catching an uncaught exception
process.on('uncaughtException', err => {
  bugsnag.notify(err)
  console.error('Uncaught Exception:', err.message)
  // It's critical to exit for uncaught exceptions after logging
  process.exit(1)
})

// Example: Manually reporting an error
function divide(a, b) {
  try {
    if (b === 0) {
      throw new Error('Division by zero is not allowed.')
    }
    return a / b
  } catch (error) {
    bugsnag.notify(error, event => {
      event.addMetadata('function', {
        name: 'divide',
        operands: [a, b]
      })
    })
    return null
  }
}

console.log(divide(10, 2))
console.log(divide(5, 0)) // This will trigger a manual Bugsnag notification

// Simulate an unhandled error
setTimeout(() => {
  throw new Error('This is an uncaught error after 2 seconds.')
}, 2000)

// Simulate an unhandled promise rejection
new Promise((resolve, reject) => {
  reject(new Error('This is an unhandled promise rejection.'))
})

This code initializes the Bugsnag client with your API key, sets up listeners for unhandled exceptions and promise rejections, and demonstrates how to manually report errors with additional metadata. Replace 'YOUR_BUGSNAG_API_KEY' with the actual API key obtained from your Bugsnag dashboard after creating a project. For other platforms like iOS, Android, or React Native, the setup process will involve installing the respective SDK and initializing it within the application's entry point, as detailed in the comprehensive Bugsnag documentation.