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Nozomi Networks vs Qualys: Which is Better in 2026?

Choosing between Nozomi Networks and Qualys comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.

Bottom line: Qualys is our overall pick for vulnerability scanning workflows. Pick Nozomi Networks if you need security monitoring.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked Aug 2026

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

Nozomi Networks

AI-powered OT and IoT cybersecurity for critical infrastructure

Best for you if:

  • • You need security monitoring features specifically
  • Provides complete OT/IoT asset visibility through passive and active discovery, DPI, and AI-powered intelligence.
  • Detects cyber threats and process anomalies using behavioral baselining and a global threat intelligence feed.

Qualys

Cloud security and compliance platform

Best for you if:

  • • You need vulnerability scanning features specifically
  • Qualys is a cloud security and compliance platform for enterprises
  • It provides vulnerability management, compliance monitoring, and web app security
At a Glance
Nozomi NetworksNozomi Networks
QualysQualys
Starts at
Custom
$199/year per assetVMDR
Best For
Security MonitoringVulnerability Scanning
Rating
4.4/54.1/5
Free plan
No No

Choose Nozomi Networks or Qualys?

Nozomi Networks

Choose Nozomi Networks if

AI-powered OT and IoT cybersecurity for critical infrastructure

  • Industry leader in OT/ICS cybersecurity, recognized by Gartner and Forrester
  • Comprehensive sensor variety covering network, wireless, endpoint, and embedded environments
  • AI engine continuously learns from millions of global assets to improve inventory accuracy and threat detection
  • Your work is security monitoring-shaped, not vulnerability scanning-shaped
Qualys

Choose Qualys if

Cloud security and compliance platform

  • Enterprise vulnerability management
  • Good scanning
  • Cloud-based
  • Your work is vulnerability scanning-shaped, not security monitoring-shaped
FeatureNozomi NetworksQualys
Pricing ModelPaidPaid
User Rating
4.4/5
27 reviews
4.1/5
90 reviews
Categories
Security MonitoringVulnerability Scanning
Vulnerability ScanningCompliance Management

In-Depth Analysis

Nozomi NetworksNozomi Networks

AI-powered OT and IoT cybersecurity for critical infrastructure

Strengths

  • +Industry leader in OT/ICS cybersecurity, recognized by Gartner and Forrester
  • +Comprehensive sensor variety covering network, wireless, endpoint, and embedded environments
  • +AI engine continuously learns from millions of global assets to improve inventory accuracy and threat detection

Weaknesses

  • -Enterprise-focused solution with pricing suitable for large organizations and critical infrastructure
  • -Requires careful deployment and tuning, especially in complex industrial environments

Key features

Asset discovery and inventory management with endpoint-to-air sensorsDeep packet inspection (DPI) for hundreds of OT, IoT, and IT protocolsAI-powered behavioral baselining for anomaly detectionUnified threat detection and response with guided remediation playbooksWireless sensor support for Zigbee, LoRaWAN, Drone RF, and more
Starts at Custom

QualysQualys

Cloud security and compliance platform

Strengths

  • +Enterprise vulnerability management
  • +Good scanning
  • +Cloud-based
  • +Comprehensive
  • +Industry established

Weaknesses

  • -Very expensive
  • -Complex platform
  • -Learning curve
  • -Per-asset pricing
  • -UI dated

Key features

Vulnerability managementCloud securityComplianceWeb app securityContainer securityEnterprise
Starts at $199/year per asset

Value 60/100. Qualys is enterprise-grade vulnerability management.

Watch out: Per-asset pricing scales quickly

Pricing: Nozomi Networks vs Qualys

PlanNozomi NetworksQualys
Tier 1N/A
$199 year per asset
VMDR
Tier 2N/A
$1995 year for 25 apps
Web App Scanning
Tier 3N/A
Custom
Enterprise TruRisk

Pricing verified from each vendor's public pricing page. Compare in detail on Nozomi Networks pricing and Qualys pricing.

Who Should Use What?

On a budget?

Both are paid. Compare plans on their websites.

Go with: Qualys

Want the highest-rated option?

Nozomi Networks: 4.4/5 (27 reviews). Qualys: 4.1/5 (90 reviews).

Go with: Nozomi Networks

Value user reviews?

Nozomi Networks: 27 reviews (4.4/5). Qualys: 90 reviews (4.1/5).

Go with: Qualys

3 Questions to Help You Decide

1

What's your budget?

Both are paid. Pricing won't help you decide here.

2

What's your use case?

Nozomi Networks is a security monitoring tool. Qualys is in vulnerability scanning. Pick the category that matches your needs.

3

How important are ratings?

Nozomi Networks is rated higher: 4.4/5 vs 4.1/5.

Key Takeaways

Qualys

  • Larger review base (90 reviews)
  • Our pick for this comparison

Nozomi Networks

  • Higher user rating: 4.4/5 vs 4.1/5
  • Better fit for security monitoring

The Bottom Line

Qualys is our pick.

Frequently Asked Questions

Is Nozomi Networks or Qualys better?

Qualys is rated in our evaluation. Both are paid.

What are Nozomi Networks and Qualys used for?

Nozomi Networks: AI-powered OT and IoT cybersecurity for critical infrastructure. Qualys: Cloud security and compliance platform.

What does Nozomi Networks cost vs Qualys?

Nozomi Networks is a paid tool. Qualys is a paid tool. Visit their websites for detailed pricing.

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