PRTG Network Monitor Alternatives (2026)

Paessler
PRTG Network Monitor
4.6 (250) · G2 8.0/10 Free tier
From Free tier available
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Starting price
Free tier available
Free trial
Free tier + 30 days
Deployment
On-prem + cloud
Best for
Teams wanting sensor-based monitoring with a free tier

Our verdict

The top alternatives to PRTG Network Monitor are Datadog, ManageEngine OpManager, Zabbix. Datadog is the closest like-for-like option (4.3/5 (~545 G2 reviews), from $5/host/mo). People typically switch from PRTG Network Monitor over pricing model, complexity, or a missing capability — the table compares each alternative on exactly those axes.

  1. 1Datadog

    ★ Editor's Choice 8.4 4.3 (545)

    Best for Cloud-native teams wanting unified network, infrastructure, and application observability as SaaS.

    • Cloud Network Monitoring (flows)
    • Network Device Monitoring (SNMP)
    • Unified infra + APM + logs
    • 800+ integrations
    Free trial Free version
    Visit Datadog → From $5/host/mo PRTG Network Monitor vs Datadog →

  2. 2ManageEngine OpManager

    8.3 4.6 (127)

    Best for SMBs and mid-market wanting affordable, device-based network + server monitoring.

    • Device-based licensing (all interfaces incl.)
    • Network + server + VM monitoring
    • Fault + performance management
    • Customizable dashboards + maps
    Free trial Free version
    Visit ManageEngine OpManager → From $95/yr (10 devices, Standard) PRTG Network Monitor vs ManageEngine OpManager →

  3. 3Zabbix

    8.1 4.3 (192)

    Best for Budget-conscious teams wanting a fully free, open-source, highly scalable monitoring platform.

    • Free + open-source (no license fees)
    • Agent + agentless collection
    • 250+ official templates
    • Distributed + high-availability monitoring
    Free trial Free version
    Visit Zabbix → From Free tier available PRTG Network Monitor vs Zabbix →

  4. 4LogicMonitor

    8.1 4.5 (603)

    Best for Growing enterprises wanting SaaS hybrid observability with simple per-unit packaging.

    • SaaS hybrid observability
    • Hybrid Unit licensing (1 unit = 1 device)
    • Agentless collectors + auto-discovery
    • AIOps + anomaly detection (Edwin AI)
    Free trial Free version
    Visit LogicMonitor → From $16/hybrid unit/mo PRTG Network Monitor vs LogicMonitor →

  5. 5Nagios XI

    8.0 4.5 (55)

    Best for Teams wanting on-prem, perpetually-licensed infrastructure monitoring with a free open-source core.

    • SNMP + network device monitoring
    • Perpetual on-prem licensing
    • Event-driven remediation
    • Free open-source core (Nagios Core)
    Free trial Free version
    Visit Nagios XI → From $2595/one-time (100 nodes, Standard) PRTG Network Monitor vs Nagios XI →

  6. 6Auvik

    7.8 4.5 (200)

    Best for MSPs wanting automated network mapping + monitoring.

    • Auto network topology
    • SNMP monitoring
    • Config backup
    • Traffic insights
    Free trial Free version
    Visit Auvik → From Custom quote PRTG Network Monitor vs Auvik →

  7. 7Domotz

    7.8 4.6 (120)

    Best for MSPs wanting affordable per-site network monitoring.

    • Network discovery + monitoring
    • Unlimited devices per site
    • Remote access
    • SNMP
    Free trial Free version
    Visit Domotz → From $35/site/mo PRTG Network Monitor vs Domotz →

Affiliate links — vendors may pay us a commission. Ranking is data-driven and never pay-to-play. How we rank →

More alternatives detail

Teams usually move off PRTG Network Monitor for one of three reasons: pricing model, complexity, or a missing capability. The closest like-for-like options on the data we track are Datadog, ManageEngine OpManager, Zabbix.

Frequently asked questions

What is the best alternative to PRTG Network Monitor?
Datadog is the top-rated alternative in our data-weighted ranking (from $5/host/mo).
Why do people switch from PRTG Network Monitor?
Usually pricing model, complexity, or a missing capability. The table compares each alternative on exactly those axes.
Data as of June 1, 2026. Sources: paessler.com. Figures are pulled from public vendor and security data and refreshed automatically.