Nessus vs Horizon3.ai NodeZero Comparison
Nessus
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…
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 leads on user satisfaction with a 4.3-star rating across 144 reviews.
Nessus vs Horizon3.ai NodeZero — at a glance
| Feature | Nessus | Horizon3.ai NodeZero |
|---|---|---|
| Rating | 4.3 / 5 | — |
| Reviews | 144 | — |
| Starting price | $2,790 /Year | Contact for pricing |
| Free trial | Yes | No |
| Free version | No | No |
| Best for | Large Enterprises, Medium Business, Small Business | Large Enterprises, Small Business, Medium Business |
| Category | Vulnerability Management Software | Security Risk Analysis Software |
| Platforms | SaaS/Web/Cloud, Installed - Windows, Installed - Mac | Browser Based (Cloud) |
| API | — | — |
| Support modes | 24/7 (Live rep), Online | Online |
| Certifications | — | SOC 2, GDPR |
| Data residency | US | Global |
Key differences between Nessus and Horizon3.ai NodeZero
- 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: Nessus supports SaaS/Web/Cloud, Installed - Windows, Installed - Mac; Horizon3.ai NodeZero supports Browser Based (Cloud).
Nessus vs Horizon3.ai NodeZero — find the better fit before you commit.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most Vulnerability Management 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.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
Other options
Free PDF comparison
Download this Nessus vs Horizon3.ai NodeZero comparison
Get the full side-by-side as a PDF — these picks plus the top Vulnerability Management 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.
Nessus vs Horizon3.ai NodeZero: Biggest differences
Start here before you go deeper into features.
Best for comprehensive, flexible vulnerability scanning across diverse IT environments.
- 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.
- You need extensive third-party integrations beyond core vulnerability scanning capabilities.
- Your workflows demand highly customizable reporting without complex setup or cumbersome configuration.
Best for continuous autonomous penetration testing in medium to large enterprises.
- 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.
- 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. Horizon3.ai NodeZero: Best for continuous autonomous penetration testing in medium to large enterprises.
Description | 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 | 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 |
|---|---|---|
Entry Level Pricing |
|
|
Free Trial Availability |
| |
User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | Small BusinessLarge Enterprises | Medium 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.

- 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.
How do Nessus and Horizon3.ai NodeZero Compare on Features?
Total Features | 6 Features | 4 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare Nessus and Horizon3.ai NodeZero 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 |
|
|
Pricing Plans |
|
|
Pricing Page | ![]() | Pricing information not available |
Nessus vs Horizon3.ai NodeZero: Other Details
Organization Types supported |
|
|
|---|---|---|
Platforms Supported |
|
|
Modes of support |
|
|
API Support |
|
|
Get help choosing | Get help choosing |
Nessus vs Horizon3.ai NodeZero 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 | 🇺🇸 US | 🌐 Global |
Nessus User Reviews & Rating Comparison
User Ratings | No reviews available for the product | |
|---|---|---|
Rating Distribution | No reviews available for this product | |
Spotsaas Editor’s POV generated by AI | 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
Common complaints
| Buyer sentiment No publicly available user reviews or ratings to assess sentiment. |
Pros and Cons |
|
|
Positive Reviews | No reviews available for the product | No reviews available for the product |
Nessus and Horizon3.ai NodeZero Customers
Customers | ![]() VMware ![]() DocuSign ![]() American Eagle Outfitters | No Customers information available. |
|---|
Media and Screenshots
Screenshots | ![]() 5 Screenshots | No screenshots available. |
|---|---|---|
Videos | ![]() 3 Videos | ![]() 1 Videos |
Top Alternatives to Nessus and Horizon3.ai NodeZero in 2026
Alternatives |
|---|
Related Blogs and Articles for Security Risk Analysis Software
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, Nessus or Horizon3.ai NodeZero?
- 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 Nessus and Horizon3.ai NodeZero offer a free trial?
- Nessus offers a free trial. Horizon3.ai NodeZero does not.
- What is the starting price of Nessus vs Horizon3.ai NodeZero?
- Nessus starts at $2,790 /Year. Horizon3.ai NodeZero starts at Contact for pricing.
- 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.
- What are the top alternatives to Horizon3.ai NodeZero?
- Top alternatives to Horizon3.ai NodeZero include Risk Genie, Phinity Risk, Theiarisk, Auditor, BugProve.



















