PRTG Network Monitor

Paessler
PRTG Network Monitor
Free tier available
8.0/10

PRTG Network Monitor (by Paessler) is a network monitoring tool. It starts at Free tier available and holds 4.6/5 (250 G2 reviews). It is best for teams wanting sensor-based monitoring with a free tier. Below: pricing, our verdict, top alternatives, and head-to-head comparisons.

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PRTG Network Monitor vs the field

How PRTG Network Monitor compares to leading alternatives
PRTG Network MonitorAuvikDomotz
Starting price Free tier available Custom quote $35/site/mo
Pricing model per sensor quote per site
Free trial / tier Free tier + 30 days trial 14 days 14 days
Best for Teams wanting sensor-based monitoring with a free tier MSPs wanting automated network mapping + monitoring MSPs wanting affordable per-site network monitoring
Deployment On-prem + cloud Cloud Cloud + agent
G2 rating 4.6/5 (250) 4.5/5 (200) 4.6/5 (120)
Capterra rating — — —
Our score 8.0/10 8.2/10 8.1/10

Pros

  • Free up to 100 sensors
  • Mature and flexible
  • Broad protocol support

Cons

  • Sensor model can get costly
  • On-prem core
  • Dated UI

Key features

PRTG Network Monitor at a glance

PRTG Network Monitor (by Paessler) is a network monitoring tool. It starts at Free tier available and holds 4.6/5 (250 G2 reviews). It is best for teams wanting sensor-based monitoring with a free tier. Below: pricing, our verdict, top alternatives, and head-to-head comparisons.

Frequently asked questions

How much does PRTG Network Monitor cost?
PRTG Network Monitor starts at Free tier available. See the pricing page for every plan and limits.
What are the best PRTG Network Monitor alternatives?
Top alternatives include Auvik, Domotz.
Data as of June 1, 2026. Sources: paessler.com. Figures are pulled from public vendor and security data and refreshed automatically.