Sentry vs Uptime Robot

Pricing: Uptime Robot is completely free (Free for 50 monitors), which makes it the obvious pick if budget is the top concern. Sentry starts at $26/mo, but Free for 5K errors and 10K performance events/mo. That cost buys you a more polished or feature-rich experience, so it comes down to whether the extras justify the spend.

Feature gaps: Sentry offers Error Tracking, Performance Monitoring and Release Tracking that Uptime Robot lacks. Uptime Robot brings API, HTTP Monitoring and Status Pages that Sentry does not have. Both share Alerts.

Team fit: Both tools target any size teams, so the decision hinges on features and workflow fit rather than scale.

Open source: Sentry is open source, meaning you can self-host, audit the code, and avoid vendor lock-in. Uptime Robot is proprietary — you are trusting the vendor with your data and uptime.

Where each tool shines: Sentry's biggest strengths are: best-in-class error tracking with detailed stack traces. session replay shows exactly what users experienced. Uptime Robot's biggest strengths are: includes http monitoring as a core feature, purpose-built for monitoring workflows. includes status pages as a core feature, purpose-built for monitoring workflows.

Watch out for: With Sentry, users commonly note that event-based pricing can get expensive with noisy apps. With Uptime Robot, the main complaint is that free plan exists but key features are locked behind the paid upgrade.