AppSignal
Error tracking & performance insights for Ruby apps
AppSignal launched on August 12, 2016 with 387 votes, #31 of 3,856 launches that month and more than 99% of that year's launches. The site was still online in September 2026, 10 years on.
In plain words
AppSignal is an error tracking and performance monitoring platform designed for Ruby application developers. It provides insights into application errors and performance metrics, helping developers identify and resolve issues. The tool is built specifically for Ruby environments and serves development teams who need visibility into their application behavior and stability.
written from the facts on this page · September 2026
From the sources
Silent failures in background jobs? AppSignal now offers full process monitoring with Check-ins plus AppSignal Wrap — a lightweight wrapper that tracks your background processes and alerts you to failures before your customers do.
AppSignal monitors cron jobs, background workers, and scheduled tasks. Get alerted the moment one fails, runs late, or stops, then jump straight to the error, trace, and logs behind it.
Cron jobs and workers fail silently. They just stop. No error, no warning, nothing, until something downstream breaks and a customer finds it before you do. AppSignal monitors every process you run and tells you the moment one fails, runs late, or stops. A process that stops won’t page you. We will. The second it fails to start, finishes late, or runs long. Cron, Sidekiq, queues, daemons, nightly scripts. If it runs, we can monitor it. Drop a helper into your job and get occurrence-level insight in minutes. No agent, no sidecar, no YAML. Your job pings us on start and finish, so we know it ran and ran on time. If one fails to start, fails to finish, or drifts off schedule, we tell you…from appsignal.com
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