Compare Nagios XI and Paessler PRTG 
At a Glance
Market Segments
Mid-Market (66.7% of reviews)
Mid-Market (49.0% of reviews)
Entry-Level Pricing
No pricing available
Free Trial 10000 Sensors Per Year
Nagios XI
Star Rating
(58)4.5 out of 5
Market Segments
Mid-Market (66.7% of reviews)
Pros & Cons
Entry-Level Pricing
No pricing available
Learn more about Nagios XIPaessler PRTG
Star Rating
(208)4.7 out of 5
Market Segments
Mid-Market (49.0% of reviews)
Pros & Cons
Entry-Level Pricing
Free Trial 10000 Sensors Per Year
Free Trial is available
Browse all 7 pricing plansSummary
AI Generated Summary
AI-generated. Powered by real user reviews.
- G2 reviewers report that Paessler PRTG excels in user experience, particularly with its Auto-Discovery feature, which allows users to quickly map out network dependencies. One user mentioned being able to point PRTG at a subnet, grab a coffee, and return to a nearly complete network map, showcasing its efficiency in setup.
- Users say that Nagios XI offers a straightforward implementation process, making it easy to set up and use. Reviewers appreciate its flexibility in monitoring various infrastructure components, which is particularly beneficial for organizations with diverse IT environments.
- According to verified reviews, Paessler PRTG stands out for its ability to create sensors that reflect business impact rather than just raw metrics. Users highlighted how they could monitor critical systems like ERP, ensuring that their monitoring efforts align with business priorities.
- Reviewers mention that while Nagios XI is compatible with a wide range of endpoints and monitoring protocols, it sometimes lacks the depth of customization that PRTG offers. Users noted that PRTG allows for the creation of custom EXE sensors to pull live data from legacy systems, which can be crucial for specific operational needs.
- G2 reviewers highlight that Paessler PRTG has a higher overall satisfaction score compared to Nagios XI, reflecting its strong performance in areas like ease of use and setup. Users appreciate the intuitive interface and the ability to manage multiple networks seamlessly.
- Users report that while both tools provide solid support, Paessler PRTG has a slight edge in quality of support, with reviewers noting prompt responses and helpful resources. This can be a significant factor for teams that rely on timely assistance for their monitoring needs.
Pricing
Entry-Level Pricing
Nagios XI
No pricing availablePaessler PRTG
Free Trial
Free Trial
10000 Sensors Per Year
30 Day Full Access Free Trial
100% Free. No Credit Card Required
Free Version After the Trial
- Free Full Features for 30 days
Free Trial
Nagios XI
Free Trial is available
Paessler PRTG
Free Trial is available
Ratings
Meets Requirements
9.4
47
9.4
182
Ease of Use
8.9
46
9.1
182
Ease of Setup
7.0
14
9.0
164
Ease of Admin
7.5
10
8.9
130
Quality of Support
8.8
46
8.9
168
Has the product been a good partner in doing business?
8.2
10
8.9
122
Product Direction (% positive)
9.2
46
9.1
173
Features by Category
Functionality
Not enough data
9.5
29
Not enough data
9.6
30
Not enough data
8.9
29
Not enough data
8.8
29
Not enough data
8.6
29
Not enough data
8.7
29
Agentic AI - Database Monitoring
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Functionality
9.5
37
9.4
80
9.1
37
9.2
78
8.8
36
7.9
73
9.1
37
9.1
71
Monitoring - Network Monitoring
Not enough data
8.6
38
Not enough data
8.5
44
Not enough data
9.0
41
Management
9.1
37
8.9
68
8.8
37
8.8
72
9.1
37
8.0
67
Analytics - Network Monitoring
Not enough data
7.7
38
Not enough data
7.5
39
Security - Network Monitoring
Not enough data
8.2
38
Not enough data
7.6
37
Not enough data
7.1
38
Network Performance - Network Monitoring
Not enough data
7.5
38
Not enough data
7.2
39
AI Automation - Network Monitoring
Not enough data
5.7
37
Not enough data
5.5
37
Not enough data
5.8
37
Agentic AI - Network Monitoring
Not enough data
7.8
9
Not enough data
8.3
9
Not enough data
8.0
9
Not enough data
7.8
9
Not enough data
7.4
9
Not enough data
8.3
9
Not enough data
8.8
8
Monitoring
Not enough data
8.8
27
Not enough data
8.0
25
Not enough data
7.8
24
Not enough data
9.0
26
Not enough data
Not enough data
Administration
Not enough data
8.6
27
Not enough data
7.5
24
Not enough data
6.9
25
Not enough data
Not enough data
Analysis
Not enough data
8.4
27
Not enough data
8.6
26
Not enough data
7.1
24
Agentic AI - Cloud Infrastructure Monitoring
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
AI Automation - Cloud Infrastructure Monitoring
Not enough data
Not enough data
Not enough data
Not enough data
Visibility
Not enough data
8.8
56
Not enough data
9.2
56
Not enough data
8.7
53
Monitoring and Management
Not enough data
8.5
53
Not enough data
8.0
50
Not enough data
8.2
50
Not enough data
9.2
56
Agentic AI - Hardware Monitoring
Not enough data
7.3
5
Not enough data
Not enough data
Not enough data
7.3
5
Not enough data
7.3
5
Visibility
8.5
18
9.1
57
9.0
18
9.3
58
8.5
18
8.9
55
Monitoring and Management
8.9
18
8.9
54
Feature Not Available
8.0
51
8.8
18
8.5
53
8.6
18
9.4
58
8.9
9
9.2
51
9.0
8
8.6
48
Cloud environment support
7.6
9
8.3
41
8.1
9
8.3
43
Agentic AI - Server Monitoring
Not enough data
8.6
6
Not enough data
8.6
6
Not enough data
8.3
6
Not enough data
8.6
6
Not enough data
8.3
6
Not enough data
8.3
6
Not enough data
8.6
6
Functionality
9.4
14
9.5
77
9.0
14
9.0
61
9.2
14
8.9
56
Feature Not Available
7.1
47
Management
9.4
15
9.1
68
8.9
14
9.2
71
9.2
14
9.0
52
9.2
14
9.3
75
Agentic AI - Enterprise Monitoring
Not enough data
9.1
19
Not enough data
9.2
18
Not enough data
9.2
19
Not enough data
9.3
19
Not enough data
9.3
19
Not enough data
9.3
20
Not enough data
9.1
19
Monitoring
Not enough data
9.2
19
Not enough data
8.8
19
Not enough data
9.3
19
Feature Not Available
6.8
19
Not enough data
9.3
20
Response
Not enough data
9.3
20
Not enough data
9.0
20
Feature Not Available
8.5
19
Agentic AI - Application Performance Monitoring (APM)
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Performance
Feature Not Available
8.7
21
Feature Not Available
8.3
21
Functionality
9.0
5
8.6
21
Feature Not Available
8.9
21
Feature Not Available
8.4
21
8.0
5
8.3
22
Telemetry Collection & Ingestion - Observability
Not enough data
Not enough data
Not enough data
Not enough data
Agentic AI - Observability Software
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Visualization & Dashboards - Observability
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Correlation & Root Cause Analysis - Observability
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Scalability & Ecosystem Integration - Observability
Not enough data
Not enough data
Not enough data
Not enough data
AI Features - Observability
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Categories
Categories
Shared Categories
Nagios XI and Paessler PRTG are categorized as Enterprise Monitoring, Application Performance Monitoring (APM), Server Monitoring, and Network Monitoring
Unique Categories
Nagios XI has no unique categories
Paessler PRTG is categorized as Hardware Monitoring, Database Monitoring, Cloud Infrastructure Monitoring, and Observability Software
Reviews
Reviewers' Company Size
Nagios XI
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Paessler PRTG
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Small-Business
(50 or fewer emp.)
Mid-Market
(51-1000 emp.)
Enterprise
(> 1000 emp.)
Reviewers' Industry
Information Technology and Services
47.1%
Internet
13.7%
Computer & Network Security
7.8%
Telecommunications
3.9%
Insurance
3.9%
Other
23.5%
Information Technology and Services
33.5%
Telecommunications
7.2%
Computer & Network Security
4.1%
Computer Software
3.1%
Hospital & Health Care
2.6%
Other
49.5%
Discussions
What is Nagios XI used for?
1 Comment
S
We are managing the Monitoring of Linux OS, and Windows OS, Various Network Devices, Websites and other Services Read more
Nagios XI has no more discussions with answers
Is anyone else stuck juggling old vs new UI, desktop, and mobile because none of them fully cover daily needs?
1 Comment
AB
<p><span style="color: rgb(0, 0, 0);">Have you tried choosing one interface for your core tasks and using the others only for alerts or quick checks, because...Read more
Do others struggle with PRTG’s reporting and dashboards being too technical for managers?
1 Comment
AB
<p><span style="color: rgb(0, 0, 0);">You could also look at exporting key dashboards to HTML or PDF automatically and simplifying them before sharing, since...Read more
Has anyone else found the learning curve for custom sensors and reports slows real projects?
1 Comment
AB
<p><span style="color: rgb(0, 0, 0);">Have you tried starting with the built-in sensor templates and REST/custom sensor docs before building from scratch...Read more
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