PRTG review
Bottom line
PRTG is a sensor-based monitoring platform that tracks servers, networks, applications and OT devices from one interface. Its clearest strength is breadth of coverage, backed by a 30-day trial with no sensor or device limits. The main cost to watch is that licenses scale by sensor count, and environments above 1,000 devices move to a separate enterprise edition. It suits IT teams that need to monitor mixed infrastructure and are comfortable budgeting by sensor count.
What is PRTG?
PRTG is an infrastructure monitoring platform from Paessler GmbH, a company based in Nuremberg, Germany. It tracks servers, network devices, bandwidth, applications, cloud services, databases and operational technology equipment, so IT teams can spot outages and unusual metrics before users report them.
Day to day, PRTG works through sensors. Each sensor tracks one measurement, such as CPU load, SNMP device data or the result of a custom SQL query, and the software collects readings in real time. Administrators set custom thresholds, and alerts reach recipients by email, push notification or HTTP request. Real-time maps and dashboards, built with a drag-and-drop editor, show live status, and reports can be created on demand or on a schedule and exported as HTML or PDF. Distributed monitoring lets one installation gather data from several remote networks into a single central overview, and the PRTG apps for iOS and Android extend that view to a phone.
PRTG serves small businesses, mid-size companies and enterprises, and it includes features for managed service providers who centrally manage customer infrastructures. Subscriptions are sized by sensor count. The PRTG 500 plan costs $200 per month billed annually and covers up to 500 sensors, while the PRTG 10000 plan costs $1,642 per month and covers up to 10,000 sensors. A 30-day fully featured trial is available, and a Freeware Edition covers up to 100 sensors for about 10 devices. Environments with more than 1,000 devices are directed to PRTG Enterprise Monitor.
What sets PRTG apart is how broadly it covers mixed environments under one license model. Pricing is tied to sensors rather than users, and the trial places no sensor or device limits. Customers can extend the software through its HTTP API and custom sensors, and AI-driven baselines and anomaly detection are built into the product. The company holds SOC 2 Type II and ISO 27001 certifications and offers on-premises deployment, which keeps monitoring data on the customer's own infrastructure.
Who it's for
- IT teams monitoring mixed on-premises and cloud infrastructure
- Small and mid-size businesses with predictable sensor counts
- Managed service providers managing customer networks
Who should look elsewhere
- Organizations monitoring more than 1,000 devices on a single license
- Buyers who want per-user pricing
- Teams requiring a perpetual license
Typical uses
- Monitoring server availability and capacity
- Tracking bandwidth and network device health
- Watching database query results with custom sensors
- Centralizing monitoring across distributed sites
- Monitoring operational technology equipment
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PRTG alternatives and comparisons
PRTG is the only network monitoring product we list so far. Browse the category as more are added.