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Nagios XI vs PRTG Comparison (2026)

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Good recommendations?

Nagios XI logo

Nagios XI

PRTG logo

PRTG

Overview

Monitor your IT infrastructure, spot problems before they occur, know immediately when problems arise, share availability data with stakeholders, detect security breaches, plan & budget for IT upgrades, reduce downtime & business losses

Say hello to PRTG Network Monitor, our award-winning, all-inclusive monitoring solution to monitor "every thing": PRTG is not simply an IT monitoring software, but lets you analyze and visualize sensor data from all internet-connected devices.

  • Platforms supported
  • Web-based
  • iPhone app
  • Android app
  • Windows Phone app
  • Typical customers
  • Freelancers
  • Small businesses
  • Mid size businesses
  • Large enterprises
  • Customer support
  • Phone
  • Online
  • Knowledge base
  • Video tutorials
  • Platforms supported
  • Web-based
  • iPhone app
  • Android app
  • Windows Phone app
  • Typical customers
  • Freelancers
  • Small businesses
  • Mid size businesses
  • Large enterprises
  • Customer support
  • Phone
  • Online
  • Knowledge base
  • Video tutorials

Video & Screenshots

Pricing

Starting from

2595

One-time payment

  • Free trial available
  • Credit cardless trial
  • Free account
  • Subscription based

Starting from

179

Per month

  • Free trial available
  • Credit cardless trial
  • Free account
  • Subscription based

User reviews

4.5

46

5

4

3

2

1

25

20

1

0

0

  • Value for money
  • Ease of use
  • Features
  • Customer support
85%
would recommend this app

4.6

256

5

4

3

2

1

166

77

10

2

1

  • Value for money
  • Ease of use
  • Features
  • Customer support
86%
would recommend this app

Pros

“The pricing structure can also get steep quickly as your host count scales up.”
DL

Drew L.

SR SYS Admin

“Nagios XI can be quite complex to set up the first time you use it.”
Verified reviewer profile picture

Yohan S.

Engineer

“Nagios XI was easy to setup (from the tools we tested), although it has many plugins you can always and easily create your own plugin (anything that is measurable), it has good alerting system when it comes to emails, seems like the GUI/UX could have been more modern but overall experience is very good.”
GB

Gil B.

DevOps

Pros

“We have been using it for over 15 years and it has reliably reported metrics and alerts.”
Verified reviewer profile picture

James P.

IT Operations

“Lots of customisation to suit most devices.”
Verified reviewer profile picture

James P.

IT Operations

“The alerting system is solid too; we actually get notified when something matters, not constant false alarms.”
Verified reviewer profile picture

Rabindra k.

Network Security Engineer

Cons

“The GUI doesn't seem to be most updated and some of the features are hard to find (UX issue)”
GB

Gil B.

DevOps

“Certain features doesn't help you get down to the root-cause of the issues and investigation has to be done outside the tool.”
VS

VINAYAK S.

AGM

Cons

“The licensing structure recently changed to a subscription based one that we can no longer afford, or at least made us look at similar alternatives that offer more features for the same price point.”
NH

Neal H.

Systems Engineer

“The licensing model can get expensive once you start monitoring more devices.”
Verified reviewer profile picture

Rabindra k.

Network Security Engineer

“Although they have a good knowledge base and related documentation, there is a lack of support for the customer who has purchased a license they should have more real time support by connecting through any tool and seeing the error without so much documentation or evidence that is sometimes required by other means and more support for configurations and troubleshooting or configuration.”
JA

Julián A.

Lead engineer monitoring and automation IT

  • Vendor responds to reviews
  • Last review2 months ago
  • Vendor responds to reviews
  • Last reviewa month ago

Key features

  • Total features142
  • 360-Degree Network Visibility
  • API
  • Access Controls/Permissions
  • Activity Dashboard
  • Activity Tracking
  • Alerting
  • Alerts/Escalation
  • Alerts/Notifications
  • Application Management
  • Asset Lifecycle Management
  • Audit Management
  • Audit Trail
  • Authentication
  • Automated Scheduling
  • Automated Tasks Routing
  • Automatic Backup
  • Automation
  • Bandwidth Monitoring
  • Baseline Manager
  • Bottleneck Identification
  • Bug/Issue Capture
  • CPU Monitoring
  • Calendar Management
  • Capacity Management
  • Capacity Planning
  • Change Management
  • Charting
  • Cloud Observability
  • Collaboration Tools
  • Color Codes/Icons
  • Compliance Management
  • Compliance Tracking
  • Configurable Workflow
  • Configuration Management
  • Connectivity Management
  • Container Monitoring
  • Continuous Monitoring
  • Credential Management
  • Customizable Branding
  • Customizable Dashboard
  • Customizable Reports
  • Dashboard
  • Dashboard Creation
  • Dashboards and Visualization
  • Data Collection
  • Data Connectors
  • Data Extraction
  • Data Import/Export
  • Data Management
  • Data Migration
  • Data Storage Management
  • Data Visualization
  • Database Monitoring
  • Dependency Tracking
  • Device Auto Discovery
  • Device Management
  • Diagnostic Tools
  • Disaster Recovery
  • Diverse Systems Monitoring
  • Document Storage
  • Downtime Tracking
  • Drag & Drop
  • Dynamic Network Optimization
  • Email Alerts
  • Email Monitoring
  • Encrypted Data Transmission
  • Event Analysis
  • Event Logs
  • Event Tracking
  • Event Triggered Actions
  • For MSPs
  • HIPAA Compliant
  • Historical Trend Analysis
  • IP Address Monitoring
  • IT Asset Management
  • IT Asset Tracking
  • IT Incident Management
  • IT Reporting
  • Immediate Alert Notification
  • Improvement Suggestions
  • Incident Alerting
  • Incident Management
  • Inventory Management
  • Issue Auditing
  • Issue Management
  • Issue Tracking
  • License Management
  • Maintenance Scheduling
  • Map Exporting
  • Mobile Access
  • Mobile Alerts
  • Mobile Network Troubleshooting
  • Monitoring
  • Multi-Location Monitoring
  • Multi-Network Capability
  • Multi-System Monitoring
  • Multiple Data Sources
  • Network Analysis
  • Network Mapping
  • Network Monitoring
  • Network Resource Management
  • Observability
  • Packet & Flow Analysis
  • Password Management
  • Patch Management
  • Performance Baseline
  • Performance Baselines
  • Performance Metrics
  • Performance Monitoring
  • Policy Management
  • Power Management
  • Predictive Analytics
  • Prioritization
  • Proactive Server Monitoring Software
  • Real-Time Analytics
  • Real-Time Data
  • Real-Time Monitoring
  • Real-Time Notifications
  • Real-Time Reporting
  • Real-Time Updates
  • Real-time Alerts
  • Remediation Management
  • Remote Access/Control
  • Remote Monitoring & Management
  • Remote Update/Installation
  • Reporting & Statistics
  • Reporting/Analytics
  • Resource Management
  • Risk Alerts
  • Risk Assessment
  • Role-Based Permissions
  • Root Cause Analysis
  • SSL Security
  • Scheduling
  • Search/Filter
  • Secure Data Storage
  • Secure Login
  • Self Service Portal
  • Self-Updating Maps
  • Server Monitoring
  • Server Monitoring For Cloud Deployments
  • Service Level Agreement (SLA) Management
  • Simple Network Management Protocol (SNMP)
  • Single Sign On
  • Software Scaling
  • Status Tracking
  • Tagging
  • Third-Party Integrations
  • Threshold Alerts
  • Transaction Monitoring
  • Trend Analysis
  • Troubleshooting
  • Uptime Reporting
  • Usage Tracking/Analytics
  • User Management
  • Virtual Machine Monitoring
  • Virtualization
  • Visual Analytics
  • Visualization
  • Vulnerability Scanning
  • Web Traffic Reporting
  • Workflow Automation
  • Workflow Management
  • Total features101
  • 360-Degree Network Visibility
  • API
  • Access Controls/Permissions
  • Activity Dashboard
  • Activity Tracking
  • Alerting
  • Alerts/Escalation
  • Alerts/Notifications
  • Application Management
  • Asset Lifecycle Management
  • Audit Management
  • Audit Trail
  • Authentication
  • Automated Scheduling
  • Automated Tasks Routing
  • Automatic Backup
  • Automation
  • Bandwidth Monitoring
  • Baseline Manager
  • Bottleneck Identification
  • Bug/Issue Capture
  • CPU Monitoring
  • Calendar Management
  • Capacity Management
  • Capacity Planning
  • Change Management
  • Charting
  • Cloud Observability
  • Collaboration Tools
  • Color Codes/Icons
  • Compliance Management
  • Compliance Tracking
  • Configurable Workflow
  • Configuration Management
  • Connectivity Management
  • Container Monitoring
  • Continuous Monitoring
  • Credential Management
  • Customizable Branding
  • Customizable Dashboard
  • Customizable Reports
  • Dashboard
  • Dashboard Creation
  • Dashboards and Visualization
  • Data Collection
  • Data Connectors
  • Data Extraction
  • Data Import/Export
  • Data Management
  • Data Migration
  • Data Storage Management
  • Data Visualization
  • Database Monitoring
  • Dependency Tracking
  • Device Auto Discovery
  • Device Management
  • Diagnostic Tools
  • Disaster Recovery
  • Diverse Systems Monitoring
  • Document Storage
  • Downtime Tracking
  • Drag & Drop
  • Dynamic Network Optimization
  • Email Alerts
  • Email Monitoring
  • Encrypted Data Transmission
  • Event Analysis
  • Event Logs
  • Event Tracking
  • Event Triggered Actions
  • For MSPs
  • HIPAA Compliant
  • Historical Trend Analysis
  • IP Address Monitoring
  • IT Asset Management
  • IT Asset Tracking
  • IT Incident Management
  • IT Reporting
  • Immediate Alert Notification
  • Improvement Suggestions
  • Incident Alerting
  • Incident Management
  • Inventory Management
  • Issue Auditing
  • Issue Management
  • Issue Tracking
  • License Management
  • Maintenance Scheduling
  • Map Exporting
  • Mobile Access
  • Mobile Alerts
  • Mobile Network Troubleshooting
  • Monitoring
  • Multi-Location Monitoring
  • Multi-Network Capability
  • Multi-System Monitoring
  • Multiple Data Sources
  • Network Analysis
  • Network Mapping
  • Network Monitoring
  • Network Resource Management
  • Observability
  • Packet & Flow Analysis
  • Password Management
  • Patch Management
  • Performance Baseline
  • Performance Baselines
  • Performance Metrics
  • Performance Monitoring
  • Policy Management
  • Power Management
  • Predictive Analytics
  • Prioritization
  • Proactive Server Monitoring Software
  • Real-Time Analytics
  • Real-Time Data
  • Real-Time Monitoring
  • Real-Time Notifications
  • Real-Time Reporting
  • Real-Time Updates
  • Real-time Alerts
  • Remediation Management
  • Remote Access/Control
  • Remote Monitoring & Management
  • Remote Update/Installation
  • Reporting & Statistics
  • Reporting/Analytics
  • Resource Management
  • Risk Alerts
  • Risk Assessment
  • Role-Based Permissions
  • Root Cause Analysis
  • SSL Security
  • Scheduling
  • Search/Filter
  • Secure Data Storage
  • Secure Login
  • Self Service Portal
  • Self-Updating Maps
  • Server Monitoring
  • Server Monitoring For Cloud Deployments
  • Service Level Agreement (SLA) Management
  • Simple Network Management Protocol (SNMP)
  • Single Sign On
  • Software Scaling
  • Status Tracking
  • Tagging
  • Third-Party Integrations
  • Threshold Alerts
  • Transaction Monitoring
  • Trend Analysis
  • Troubleshooting
  • Uptime Reporting
  • Usage Tracking/Analytics
  • User Management
  • Virtual Machine Monitoring
  • Virtualization
  • Visual Analytics
  • Visualization
  • Vulnerability Scanning
  • Web Traffic Reporting
  • Workflow Automation
  • Workflow Management

Integrations

  • Total integrations8
  • Docker
  • Google Cloud
  • JIRA Service Management
  • Linux Mint
  • Microsoft Teams
  • Nagios Network Analyzer
  • PagerDuty
  • ServiceNow
  • Slack
  • Total integrations1
  • Docker
  • Google Cloud
  • JIRA Service Management
  • Linux Mint
  • Microsoft Teams
  • Nagios Network Analyzer
  • PagerDuty
  • ServiceNow
  • Slack