Quick Answer
Last verified:
Medium confidence

PRTG Network Monitor costs Free to $1.5K per month as of March 2026. Pricing depends on your chosen tier, contract length, and negotiated discounts.

Use the interactive pricing calculator to estimate your exact cost based on team size and requirements.

  • Free tier: No free tier available
Last verified: | Sources: 1 pricing pages and reviews
+-96% above list price

PRTG Network Monitor true cost runs -96% above the listed $0-$1492/month price as of March 2026. For a 25-person team, expect ~$8,872 in year-one costs vs the $223,800 base license. Key hidden costs: dramatic post-acquisition price increases, sensor count explosion per device, maintenance gap penalty. Verified from 1 sources by CostBench.

Hidden Costs Breakdown

1

Dramatic Post-Acquisition Price Increases

critical compliance

After Turn/River Capital's acquisition of Paessler in 2024, PRTG underwent a forced migration to subscription-based licensing with substantial price increases. Multiple users report 3-5x cost increases, with some seeing jumps from $3,500 to $14,000 annually for similar sensor counts. The transition came with inadequate advance communication, leaving customers facing sudden budget impacts.

reddit

They previously purchased Pressler (PRTG), did a forced migration to subscription and then did a 450% cost increase once the migration was complete.

reddit

We had unlimited sensors for around $3500 per year which now became around $14.000.

2

Sensor Count Explosion Per Device

high overage

PRTG's sensor-based pricing can become predatory because a single host can consume hundreds of sensors depending on what you monitor. Users who don't carefully restrict monitoring find costs spiraling as sensor counts grow unpredictably. The 100-sensor free tier covers only about 10 devices with basic monitoring.

reddit

Each sensor costing $, a single host can be a couple to hundreds of sensors. Nope.

reddit

very predatory pricing if you dont spend a lot of time restricting useless metrics.

3

Maintenance Gap Penalty

medium support

If you skip even one year of maintenance, you cannot renew the next year without paying for the full gap period, even if you didn't use support or update the software during that time. This creates a lock-in effect where stopping maintenance becomes prohibitively expensive.

reddit

PRTG for example tries to pretend it's an owned license and support is optional yet if you skip one maintenance year, you cannot renew the next year without paying the full period. (even if you didn't update or used support in that period).

4

Performance Degradation at Scale

medium implementation

PRTG's performance degrades significantly beyond 5,000 sensors per installation, requiring multiple installations and additional infrastructure costs. The vendor admits the product is designed for SMEs, not large enterprises, despite pricing that suggests otherwise.

trustradius

Scalability Constraints. PRTG Network Monitor's performance can degrade as the number of sensors increases, particularly beyond 5,000 sensors per installation.

reddit

they still can't scale over a couple of thousand sensors. It is horrible regarding hardware performance.

Example: True Cost for 25 Users

License (25 × $746 × 12) $223,800/yr
Dramatic Post-Acquisition Price Increases +300-450% of license costs
Sensor Count Explosion Per Device +10-30 sensors per device
Maintenance Gap Penalty +25% of license costs annually
Performance Degradation at Scale +$2,149-$60,000
Estimated Year 1 Total ~$8,872
That's roughly 0.0× the advertised license price. The median PRTG Network Monitor contract is $8,100/yr across Vendr purchases.

Frequently Asked Questions

01 What hidden costs should I budget for with PRTG Network Monitor?

Beyond the license fee, budget for: Dramatic Post-Acquisition Price Increases (300-450% of license costs); Sensor Count Explosion Per Device (10-30 sensors per device); Maintenance Gap Penalty (25% of license costs annually); Performance Degradation at Scale ($2,149-$60,000). Total ownership typically runs -96% higher than the listed price.

02 Does PRTG Network Monitor charge for implementation?

PRTG Network Monitor implementation is not included in the license cost. PRTG's performance degrades significantly beyond 5,000 sensors per installation, requiring multiple installations and additional infrastructure costs. The vendor admits the product is designed for SMEs, not large enterprises, despite pricing that suggests otherwise. Estimated impact: $2,149-$60,000.

03 How much does PRTG Network Monitor support cost?

If you skip even one year of maintenance, you cannot renew the next year without paying for the full gap period, even if you didn't use support or update the software during that time. This creates a lock-in effect where stopping maintenance becomes prohibitively expensive. Estimated impact: 25% of license costs annually.

04 Are there overage or storage costs with PRTG Network Monitor?

PRTG's sensor-based pricing can become predatory because a single host can consume hundreds of sensors depending on what you monitor. Users who don't carefully restrict monitoring find costs spiraling as sensor counts grow unpredictably. Estimated impact: 10-30 sensors per device.

05 What add-ons cost extra with PRTG Network Monitor?

Many features marketed as part of PRTG Network Monitor are actually add-ons: advanced reporting, API access, integrations, and specialized modules. Each can add $10-$100+ per user per month.

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