NEWJoin 2M+ software buyers|Get Weekly Insights, Trends & Expert PicksSubscribe free →

Horizon3.ai NodeZero vs Nessus Comparison

Last updated:

Horizon3.ai NodeZero

Starting at Contact for pricing

  • Large Enterprises
  • Small Business

Introducing Horizon3.ai NodeZero, the ultimate solution to minimize cybersecurity risk in today's digital landscape. With the tagline "Minimize cybersecurity risk," NodeZero offers unparalleled protection through continu…

Nessus

4.3(144 reviews)

Starting at $2,790 /Year

  • Free Trial
  • Large Enterprises
  • Medium Business

Nessus is a vulnerability scanner of its kind, giving user a complete picture of organization's security status. Instantly scan thousands of systems for the latest vulnerabilities and react to them in real time. Nessus m…

Nessus leads on user satisfaction with a 4.3-star rating across 144 reviews.

Horizon3.ai NodeZero vs Nessus — at a glance

FeatureHorizon3.ai NodeZeroNessus
Rating4.3 / 5
Reviews144
Starting priceContact for pricing$2,790 /Year
Free trial No Yes
Free version No No
Best forLarge Enterprises, Small Business, Medium BusinessLarge Enterprises, Medium Business, Small Business
CategorySecurity Risk Analysis SoftwareVulnerability Management Software
PlatformsBrowser Based (Cloud)SaaS/Web/Cloud, Installed - Windows, Installed - Mac
API
Support modesOnline24/7 (Live rep), Online
CertificationsSOC 2, GDPR
Data residencyGlobalUS

Key differences between Horizon3.ai NodeZero and Nessus

  • Pricing: Nessus starts at $2,790 /Year. Horizon3.ai NodeZero pricing is not publicly listed.
  • Free trial: Nessus offers a free trial; Horizon3.ai NodeZero does not.
  • Deployment: Horizon3.ai NodeZero supports Browser Based (Cloud); Nessus supports SaaS/Web/Cloud, Installed - Windows, Installed - Mac.

Horizon3.ai NodeZero vs Nessus — find the better fit before you commit.

01

Which tool fits your team best

02

Which is actually cheaper for your team size

03

Where each product wins, per real buyers

Most Security Risk Analysis Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.

Horizon3.ai NodeZero
Talk to an expert
Talk to an expert
Nessus - Vulnerability Management Software
Talk to an expert
Talk to an expert

Free PDF comparison

Download this Horizon3.ai NodeZero vs Nessus comparison

Get the full side-by-side as a PDF — these picks plus the top Security Risk Analysis Software tools, with verified ratings, pricing and features.

  • Side-by-side on pricing, features & ratings
  • Plus the category top 10, scored & ranked
  • Emailed to you — no on-screen download

No file downloads on screen — we email it to you. One-click unsubscribe anytime.

Horizon3.ai NodeZero vs Nessus: Biggest differences

Start here before you go deeper into features.

Horizon3.ai NodeZero

Best for continuous autonomous penetration testing in medium to large enterprises.

Choose if
  • You need proactive identification of both internal and external cybersecurity risks.
  • Your organization requires a complete SaaS solution minimizing on-premise resource needs.
  • You have dedicated cybersecurity teams like security analysts and penetration testers.
Consider alternatives if
  • You are a small company with minimal IT infrastructure and no dedicated cybersecurity staff.
  • You require transparent, publicly available pricing and straightforward setup for smaller teams.

Nessus

Best for comprehensive, flexible vulnerability scanning across diverse IT environments.

Choose if
  • You need accurate, up-to-date vulnerability detection with automated scanning and reporting.
  • Your team values a user-friendly interface that supports both agent-based and credentialed scans.
  • You require scalable vulnerability management with flexible licensing for any organization size.
Consider alternatives if
  • You need extensive third-party integrations beyond core vulnerability scanning capabilities.
  • Your workflows demand highly customizable reporting without complex setup or cumbersome configuration.

Horizon3.ai NodeZero: Best for continuous autonomous penetration testing in medium to large enterprises. Nessus: Best for comprehensive, flexible vulnerability scanning across diverse IT environments.

Description

Introducing Horizon3.ai NodeZero, the ultimate solution to minimize cybersecurity risk in today's digital landscape. With the tagline "Minimize cybersecurity risk," NodeZero offers ... Read More about Horizon3.ai NodeZero

Nessus is a vulnerability scanner of its kind, giving user a complete picture of organization's security status. Instantly scan thousands of systems for the latest vulnerabilities and react ... Read More about Nessus

Entry Level Pricing

  • Not Available
  • Starts from $2,790

Free Trial Availability

  • No free trial

User Ratings

Based on verified Spotsaas reviews

4.34

(144)

Best Company Size

Medium BusinessLarge Enterprises
Small BusinessLarge Enterprises
Get pricing help
Get pricing help

Software Demo

Demo

Need a second opinion?

Get decision help from a software advisor

Share your priorities, budget, and team needs, and we’ll help you narrow the options and understand the tradeoffs before you talk to vendors.

Spotsaas advisor
Get decision help from a software advisor
  • Independent advice — matched to your business
  • Understand the tradeoffs before you talk to vendors
  • Free 15-min call with a software advisor.

Step 1 of 4

How big is your team?

We tailor recommendations to companies your size.

Trusted by teams at

How do Horizon3.ai NodeZero and Nessus Compare on Features?

Total Features

4 Features

6 Features

Unique Features

No unique features

No unique features

Get Quote
Get Quote

Compare Horizon3.ai NodeZero and Nessus on pricing

Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.

Pricing Option

      Starting From

      • Not Available
      • $2,790

      Pricing Plans

      • Not Available
      • Not Available

      Pricing Page

      Pricing information not available

      Nessus pricing

      Horizon3.ai NodeZero vs Nessus: Other Details

      Organization Types supported

      • Large Enterprises
      • Medium Business
      • Small Business
      • Individuals
      • Large Enterprises
      • Medium Business
      • Small Business
      • Individuals

      Platforms Supported

      • Browser Based (Cloud)
      • Installed - Windows
      • Installed - Mac
      • Browser Based (Cloud)
      • Browser Based (Cloud)
      • Installed - Windows
      • Installed - Mac
      • Browser Based (Cloud)

      Modes of support

      • 24/7 (Live rep)
      • Business Hours
      • Online
      • 24/7 (Live rep)
      • Business Hours
      • Online

      API Support

      • Not Available
      • Not Available
      Get help choosing
      Get help choosing

      Horizon3.ai NodeZero vs Nessus Security & Compliance

      Certifications, data handling, and security controls for IT and compliance evaluators.

      SOC 2

      ✓ Yes

      GDPR

      ✓ Yes

      Single Sign-On (SSO)

      ✓ Yes

      Multi-Factor Auth (MFA)

      ✓ Yes

      Data Encryption

      ✓ Yes

      Audit Logs

      ✓ Yes

      Data Residency

      🌐 Global
      🇺🇸 US

      Horizon3.ai NodeZero User Reviews & Rating Comparison

      User Ratings

      No reviews available for the product

      Rating Distribution

      No reviews available for this product

      125

      53

      6

      0

      1

      Spotsaas Editor’s POV generated by AI

      Buyer sentiment

      No publicly available user reviews or ratings to assess sentiment.

      Buyer sentiment

      Overall positive sentiment highlights Nessus’s strong vulnerability detection and user-friendly interface, tempered by occasional scan inconsistencies and limited marketplace options.

      What buyers like

      • Ease of use
      • Comprehensive vulnerability coverage
      • Automation and reporting

      Common complaints

      • Scan time inconsistency
      • Limited marketplace integrations

      Pros and Cons

      • Continuous autonomous penetration testing

      • Proactive identification of internal and external attack vectors

      • Complete SaaS solution minimizing need for on-premise resources

      • Pricing is quotation-based and not publicly available

      • Potentially complex setup for smaller teams

      • Comprehensive and accurate vulnerability detection with regularly updated plugin repository

      • User-friendly interface with automated scanning and reporting that boosts productivity

      • Supports both agent-based and credentials-based scanning implementations

      • Scan times and results can be inconsistent at times

      • Limited marketplace options for additional apps and connectors

      Positive Reviews

      No reviews available for the product

      No reviews available for the product

      Used Horizon3.ai NodeZero or Nessus? Tell buyers what actually differs.

      Horizon3.ai NodeZero and Nessus Customers

      Customers

      No Customers information available.

      VMware

      VMware

      DocuSign

      DocuSign

      American Eagle Outfitters

      American Eagle Outfitters

      Media and Screenshots

      Screenshots

      No screenshots available.

      Nessus Plugins

      5 Screenshots

      Videos

      video-0

      1 Videos

      video-0

      3 Videos

      Top Alternatives to Horizon3.ai NodeZero and Nessus in 2026

      Expand your comparison

      Add another option to compare side by side

      Search by product name to compare pricing, fit, and buyer feedback in one view.

      Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].

      Frequently asked questions

      Which is better, Horizon3.ai NodeZero or Nessus?
      Nessus edges out the other on user ratings (4.3 vs -1.0). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
      Do Horizon3.ai NodeZero and Nessus offer a free trial?
      Nessus offers a free trial. Horizon3.ai NodeZero does not.
      What is the starting price of Horizon3.ai NodeZero vs Nessus?
      Horizon3.ai NodeZero starts at Contact for pricing. Nessus starts at $2,790 /Year.
      What are the top alternatives to Horizon3.ai NodeZero?
      Top alternatives to Horizon3.ai NodeZero include Risk Genie, Phinity Risk, Theiarisk, Auditor, BugProve.
      What are the top alternatives to Nessus?
      Top alternatives to Nessus include Tenable.io, BeyondTrust Vulnerability Management, Qualys VM, Microsoft Threat Vulnerability Management, Flexera Software Vulnerability Management.