Sentry
Application monitoring and error tracking software.
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About Sentry
Sentry helps developers monitor and fix crashes in real time. It tracks errors across your full stack with detailed context to help you fix issues faster.
Best For
Development teams who need to catch and debug errors before users report them
Key Features
Error tracking and monitoring
Performance monitoring
Session replay
Distributed tracing
Release tracking
Alerts and issue assignment
Things to Consider
Event limits on free tier
Session replay requires paid plans
Can get expensive at scale
Startup Offer
Free tier for developers
Solves These Problems
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Startup Terms on This Page
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Our Rating
4.0
Strong dev-tools solution. Development teams who need to catch and debug errors before users report them.
Reviewed Dec 2025 by our editorial team
PricingFreemium
Est. Monthly Cost$0-80/mo
CategoryDeveloper Tools
Founded2012
Last UpdatedDec 2025
Free Tier
Includes: 5,000 errors/month, 10,000 performance units
Note: Limited data retention