Nagios XI
8.1#2 in dns monitoring software$2,595 one-timeFree planWebAPILinuxmacOS
VisitNagios XI vs Visual Sentinel
Visual Sentinel
8.0#4 in website monitoring softwareFrom $6 a monthFree planAndroidiOSWebAPI
VisitWhat both publish
| Fact | Nagios XI | Visual Sentinel |
|---|---|---|
| API | The built-in REST API uses API-key authentication and returns JSON for reading, creating, updating and deleting system data. | The public REST API uses scoped organization keys and exposes monitors, incidents, status pages, maintenance windows, reports, notification channels and servers. |
| Integrations | Nagios XI supports authentication with Active Directory or LDAP over SSL, Single Sign-On with Microsoft Entra ID, and two-factor authentication through Duo. | The pricing comparison lists Google Analytics 4, Google Search Console, Cloudflare import and proxy bypass, and server-to-site correlation. |
| Rating on Capterra | 4.5 out of 5 from 46 reviews. | 5.0 out of 5 from 1 review |
| Rating on G2 | 4.5 out of 5 from 59 reviews. | 5.0 out of 5 from 1 review |
Nagios XI plans
- Standard — 100 Nodes$2,595, paid once
- Enterprise — 100 Nodes$4,690, paid once
- FreeFree
- Standard$2,595, paid once
- Standard (100-Node)$2,595, paid once
- Enterprise$4,690, paid once
Visual Sentinel plans
- Solo$6 a month
- Starter$12 a month
- Business$39 a month
- FreeFree
- Agency$149 a month
- CustomPriced on request
Pick Nagios XI if…
Nagios XI suits teams that want to monitor infrastructure from a Linux server they manage. It is also relevant to organizations that need self-hosted deployment, node-based licenses, or offline installation.
Pick Visual Sentinel if…
Visual Sentinel suits site owners and small teams that need uptime checks alongside screenshot-based detection of page changes. Agencies may find its client reporting options useful, particularly the scheduled reports on Business and white-label reports on Agency.