AppDynamics vs Prometheus

AppDynamics is an application performance monitoring (APM) platform by Cisco that provides real-time visibility into application performance, user experience, and business outcomes. It supports full-stack monitoring across on-premises and cloud environments.

Prometheus is Open-source time-series database and monitoring system designed for reliability, using a pull-based metrics collection model with PromQL for querying.. It is available under a free model. This tool falls under the monitoring category.