G2 Vendor Directory

Nagios XI vs. Paessler PRTG

A side-by-side comparison based on G2 review data.

MetricNagios XI

by Nagios

Paessler PRTG

by Paessler GmbH

Overall rating4.54.7
Review count59214
Ease of use9.19.2
Ease of setup7.59.1
Quality of support9.09.0
Meets requirements9.59.5
NPS76.92307785.096154
Small Business11.9%14.6%
Mid-Market66.1%50.0%
Enterprise22.0%35.4%
Total page views1504,196
Total LLM citations59319,766

Nagios XI

Nagios XI is an enterprise-grade IT infrastructure monitoring and alerting solution designed to provide comprehensive oversight of servers, networks, applications, and services. Built upon the robust Nagios Core monitoring engine, Nagios XI offers a user-friendly web interface, advanced visualization tools, and customizable dashboards, enabling IT teams to proactively identify and resolve issues before they impact business operations. Its scalable architecture supports monitoring from small environments to large-scale infrastructures with thousands of devices.

Pros

  • Comprehensive Monitoring
  • All-in-One Solution
  • Customer Support
  • Versatility
  • Easy Integration
  • Monitoring

Paessler PRTG

Your infrastructure is complex. Your monitoring tool shouldn't be. Paessler PRTG delivers mission-critical visibility across IT and OT environments, deploying in minutes, not months. Whether you're managing servers, switches, virtual machines, cloud services, or industrial systems, PRTG monitors everything from a single platform, so your team always knows what's running, what's struggling, and what needs attention, before users do. Fast to deploy. Easy to run.

Pros

  • Ease of Use
  • Monitoring
  • Monitoring Capabilities
  • Alerting Systems
  • Easy Setup
  • Real-time Monitoring