PRTG Network Monitor vs Zabbix Pricing (2026)
Compare / PRTG Network Monitor vs Zabbix
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Team size
25 seats

PRTG Network Monitor vs Zabbix

Network Monitoring pricing comparison · 2026

PRTG Network Monitor pricing ranges from $0–$1492/month, while Zabbix ranges from $0–$750/month. Zabbix is typically 50% more affordable, though your actual cost depends on tier and team size.

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See pricing on each vendor's site
Above-the-fold path — each link opens the vendor's pricing page in a new tab.
Compare
2 products · Network Monitoring
Side-by-side · live
PRTG Network Monitor
PRTG Network Monitor pricing starts at $0 for the Freeware edition (100 sensors), suitable
verified 27d ago
$350 $20K
View pricing →
Zabbix
Zabbix is open-source monitoring software that is completely free forever.
verified 27d ago
$350 $20K
View pricing →
Verdict · Vendr median · year 1
PRTG saves $20K vs Zabbix · 25 seats
Cheapest $350
Spread 98%
Estimated license cost
at 25 seats
List price × seats. Click a tier below to lock it.
PRTG 1000
$98K/yr
year 1 license · $325/seat
Silver Support
$15K/yr
year 1 license · $50/seat
What buyers actually pay
median, annual
Vendr deal-flow data. The real benchmark, not list price.
↓ Lowest median
Median annual
$350/yr
Vendr · n=18
Median annual
$20K/yr
Vendr · n=10
REF · 01

Sources & confidence

Every dollar amount and contract clause below traces back to a sourced fact. We don't manufacture composite scores.

Where this data comes from
Vendr · TrustRadius · Reddit · BBB · official docs
Sources 15 sourced facts
10 hidden-cost · 3 contract · Vendr median · 1 review platform
Last verified 3w ago
Confidence Medium confidence
Sources 12 sourced facts
8 hidden-cost · 2 contract · Vendr median · 1 review platform
Last verified 3w ago
Confidence Medium confidence
REF · 02

Plans at a glance

Every tier per product. Lock one to drive the cost row above and reveal a tier-specific outbound CTA.

Tier ladder
Click a tier to lock the cost row to it. Locking surfaces a tier-specific Visit CTA.
REF · 03

Hidden costs

Each cost is severity-ranked, with the dollar range quoted from its source (Vendr, Reddit, TrustRadius, BBB, official docs) — never our estimate.

Beyond the sticker
Severity-ranked, sourced
4 documented
  • Dramatic Post-Acquisition Price Increases
    300-450% of license costs
    4 sources
  • Sensor Count Explosion Per Device
    10-30 sensors per device
    3 sources
  • Maintenance Gap Penalty
    25% of license costs annually
    1 source
  • Performance Degradation at Scale
    $2,149-$60,000
    2 sources
4 documented
  • Self-Hosting Infrastructure Costs
    $50-$200/month
    1 source
  • Learning Curve and Initial Setup Time
    40-80 hours initial setup
    3 sources
  • Manual Customization Labor
    20-40 hours ongoing
    2 sources
  • Optional Support Contracts
    $50-$5,000+/month
    2 sources
REF · 04

Contract terms

The fine print, surfaced. Green = buyer-friendly. Each clause backed by a quoted source.

PRTG
Zabbix
Auto-renewal
Yes
No
Cancellation
Before renewal period
Not applicable for free version
Commitment
1 year
None for free version
Price escalation
Dramatic escalation documented: 320% increase from 2007 to 2017, followed by 300-450% increases after 2024 acquisition by Turn/River Capital
No published escalation clauses for free version
Can downgrade
No
Yes
REF · 05

What users say

Aggregated, with sample sizes. We use whichever review platform has data.

User reviews
TrustRadius · Trustpilot · G2
TrustRadius
8.5/5 (265)
Best for
Small networks and evaluation
Watch out
Sudden 300-450% price increases after acquisition
TrustRadius
8.6/5 (202)
Best for
Organizations with internal expertise
Watch out
Outdated UI compared to modern monitoring tools
Decide
Get a quote from each vendor
Each link opens the vendor's pricing page in a new tab.
License cost is computed from publicly listed plans (real math, list price × seats). Median annual cost is from Vendr's deal flow when available — see source badges. Hidden costs and contract terms each cite their own sources. We do not invent composite scores.
Network Monitoring

PRTG Network Monitor

$0–$1492
/month
6 plans · Free tier
Full pricing breakdown →
VS
Network Monitoring

Zabbix

$0–$750
/month
6 plans · Free tier
Full pricing breakdown →

PRTG Network Monitor and Zabbix both operate in the network monitoring category. This page compares their list pricing.

Plan-by-Plan Pricing

Plan PRTG Network Monitor Zabbix
Freeware Free /free Free /month
PRTG 500 $179 /per month (annual subscription) $50 /month
PRTG 1000 $325 /per month (annual subscription) Custom
PRTG 2500 $675 /per month (annual subscription) Custom
PRTG 5000 $1.2K /per month (annual subscription) Custom
PRTG 10000 $1.5K /per month (annual subscription) Custom

Cost at Scale

Total cost of ownership — licenses, implementation, and hidden costs included.

PRTG Network Monitor

4 scenarios
$0 Year 1 (free tier covers up to 100 sensors)
Small Office (100 Sensors Free Tier)
$2,148 Year 1 (PRTG 500 tier at $179/month)
Growing Business (500 Sensors)
$14,196 Year 1 (PRTG 5,000 tier at $1,183/month)
Enterprise Network (5,000 Sensors)
See all 4 scenarios →

Zabbix

3 scenarios
$0
Small Business (100 devices)
licensing + $50-100/month infrastructure = $600-1,200 Year 1
$0
Mid-Size Deployment (500 devices)
licensing + $200-400/month infrastructure = $2,400-4,800 Year 1
$0
Enterprise with Support (2,400+ hosts)
licensing + $500/month infrastructure + estimated support contract = $6,000-30,000 Year 1

Market Intelligence

PRTG Network Monitor

Median annual cost
$350
Based on
18 deals

Zabbix

Median annual cost
$20,000
Based on
10 deals

Hidden Costs

Beyond the sticker price — what catches buyers off guard.

PRTG Network Monitor 4 hidden costs

critical
Dramatic Post-Acquisition Price Increases 300-450% of license costs
high
Sensor Count Explosion Per Device 10-30 sensors per device
medium
Maintenance Gap Penalty 25% of license costs annually
medium
Performance Degradation at Scale $2,149-$60,000
See all PRTG Network Monitor hidden costs →

Zabbix 4 hidden costs

medium
Self-Hosting Infrastructure Costs $50-$200/month
medium
Learning Curve and Initial Setup Time 40-80 hours initial setup
low
Manual Customization Labor 20-40 hours ongoing
low
Optional Support Contracts $50-$5,000+/month
See all Zabbix hidden costs →

Contract Terms

Term PRTG Network Monitor Zabbix
Auto-renewal Yes No
Cancellation Before renewal period Not applicable for free version
Minimum commitment 1 year None for free version
Price escalation Dramatic escalation documented: 320% increase from 2007 to 2017, followed by 300-450% increases after 2024 acquisition by Turn/River Capital No published escalation clauses for free version
Can downgrade No Yes

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