AppSignal vs Sentry Performance

AppSignal is a cloud application-monitoring service for developers, with error tracking, performance monitoring, logs, and tracing. Error tracking groups exceptions with backtraces and the deployment linked to each issue. Performance monitoring covers response times, throughput, slow endpoints, and slow queries. Log management provides full-text search, attribute filters, saved queries, live tail, and pattern-based alerts. Distributed tracing, transaction tracing, and log correlation are available. AppSignal lists support for Ruby, Elixir, Node.js, JavaScript, Python, Go, Java, PHP, and Rust, with integrations including Slack, GitHub, Jira, Linear, GitLab, and PagerDuty. Its MCP server lets AI assistants such as Claude, Cursor, and Zed query production errors, traces, and deploys. The free plan costs nothing and includes 30K requests, 1GB logging, five-day retention, and unlimited users, teams, applications, and dashboards. Paid access is $279 a year, billed yearly at $23.25/month, with 250K requests per month. A 30-day full-featured trial requires no credit card. AppSignal says it does not charge overages or stop monitoring when limits are crossed.

Sentry Performance is an application performance monitoring service for developers diagnosing bottlenecks in applications and distributed systems. It links performance problems with related errors, transactions, and code details to help teams assess user impact and investigate issues. Trace views and code context can help locate slow database queries, API calls, and associated code lines. Distributed tracing follows requests across services to help identify where latency or errors arise. Teams can prioritize performance issues by user impact and create custom metrics and alerts. Sentry lists integrations with GitHub, Jira, Slack, GitLab, Linear, Microsoft Teams, PagerDuty, Datadog, and Vercel, and supports OpenTelemetry. Its cloud service is hosted on Google Cloud Platform with a multi-tenant architecture; a self-hosted option is available for teams that need data in their own infrastructure. Trace retention is 90 days. The Developer plan costs nothing and has monthly usage quotas. Paid plans start at $26/mo; a free trial is available for Business, but not Team. Sentry makes its SOC 2 Type 2 report and ISO 27001 certificate available through user accounts or by request.