Find out what your peers are saying about Datadog, Dynatrace, Splunk and others in Application Performance Monitoring (APM) and Observability. Updated: January 2026.
Application Performance Monitoring (APM) and Observability help improve the efficiency of applications by providing visibility and insights into system performance.
Application Performance Monitoring and Observability involve tracking and analyzing the performance of applications and infrastructure. APM focuses on detecting and diagnosing performance issues, while Observability emphasizes gaining insight into the internal state of systems. By combining these approaches, IT teams can ensure...
blogs.gartner.com/jonah-kowall/2014/05/23/two-rise-and-two-fall-the-story-of-application-performance-monitoring-apm/
Optier had about $25mil in revenue and they recently announced they are
folding. Also they were very far behind on the app instrumentation side.