Tenable.io vs Nessus Comparison
Tenable.io
Starting at $2,275
- Large Enterprises
- Medium Business
Tenable.io is software delivered as a service that gives user a real-time and historical vulnerability information, security insight into the network, and the ability to remediate vulnerabilities in the network. It's all…
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…
Nessus leads on user satisfaction with a 4.4-star rating across 580 reviews.
SpotSaaS Analysis
Tenable.ioNessus
The core difference lies in Tenable.io's focus on cloud-based management for medium to large teams, while Nessus offers flexibility for a broader range of company sizes, including small businesses. Tenable.io is ideal for organizations seeking a comprehensive cloud solution, whereas Nessus is suited for teams needing versatile scanning capabilities across various IT environments.
- Best for medium to large teams - Offers cloud-based vulnerability management - Provides real-time and historical vulnerability data - Emphasizes ease of deployment - Focuses on accurate vulnerability scanning - Priced at $2,275
- Suitable for small businesses and large enterprises - Delivers comprehensive vulnerability scanning - Supports diverse IT environments - Features automated scanning and reporting - User-friendly interface for scanning - Priced at $2,790
Tenable.io vs Nessus — at a glance
| Feature | Tenable.io | Nessus |
|---|---|---|
| Rating | 4.1 / 5 | 4.4 / 5 |
| Reviews | 183 | 580 |
| Starting price | $2,275 | $2,790 /Year |
| Free trial | No | Yes |
| Free version | No | No |
| Best for | Large Enterprises, Medium Business, Small Business | Large Enterprises, Medium Business, Small Business |
| Category | Vulnerability Management Software | Vulnerability Management Software |
| Platforms | SaaS/Web/Cloud, Installed - Windows, Installed - Mac | SaaS/Web/Cloud, Installed - Windows, Installed - Mac |
| API | — | — |
| Support modes | Online | 24/7 (Live rep), Online |
| Certifications | SOC 2, HIPAA, GDPR, ISO 27001 | — |
| Data residency | Global | US |
Key differences between Tenable.io and Nessus
- Pricing: Tenable.io starts at $2,275, while Nessus starts at $2,790 /Year.
- Free trial: Nessus offers a free trial; Tenable.io does not.
- User satisfaction: Nessus scores higher with a 4.4-star average.
- Deployment: Tenable.io supports SaaS/Web/Cloud, Installed - Windows, Installed - Mac; Nessus supports SaaS/Web/Cloud, Installed - Windows, Installed - Mac.
Tenable.io vs Nessus — 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
Talk to an expert Talk to an expert |
Biggest differences
Start here before you go deeper into features.
Best for medium to large teams needing accurate, cloud-based vulnerability management.
- You want a single cloud platform offering real-time and historical vulnerability data.
- Your team values ease of deployment combined with flexible, accurate vulnerability scanning.
- You need a user-friendly interface with customizable dashboards for security monitoring.
- You require highly customizable and advanced reporting features for compliance or audits.
- Your team prefers minimalistic tools with simple features and low complexity.
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.
Tenable.io: Best for medium to large teams needing accurate, cloud-based vulnerability management. Nessus: Best for comprehensive, flexible vulnerability scanning across diverse IT environments.
Description | Tenable.io is software delivered as a service that gives user a real-time and historical vulnerability information, security insight into the network, and the ability to remediate ... Read More about Tenable.io | 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 |
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User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | Medium BusinessLarge Enterprises | Small BusinessLarge Enterprises |
Get pricing help | Get pricing help |
Software Demo
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Compare Tenable.io 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.
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Other Details
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Get help choosing | Get help choosing |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
SOC 2 | ✓ Yes | — |
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HIPAA | ✓ Yes | — |
GDPR | ✓ Yes | — |
ISO 27001 | ✓ Yes | — |
Single Sign-On (SSO) | ✓ Yes | — |
Multi-Factor Auth (MFA) | ✓ Yes | — |
Data Encryption | ✓ Yes | — |
Audit Logs | ✓ Yes | — |
Data Residency | 🌐 Global | 🇺🇸 US |
Tenable.io User Reviews & Rating Comparison
User Ratings | ||
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Rating Distribution | ||
Spotsaas Editor’s POV generated by AI | Buyer sentiment Overall positive sentiment highlighting ease of deployment, scanning accuracy, and usability, tempered by concerns over complexity and limited reporting. What buyers like
Common complaints
| 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
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Pros and Cons |
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Positive Reviews | No reviews available for the product | No reviews available for the product |
List of Customers
Customers |  Global Payments |  VMware  DocuSign  American Eagle Outfitters |
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Media and Screenshots
Screenshots |  6 Screenshots |  5 Screenshots |
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Videos |  1 Videos |  3 Videos |
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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, Tenable.io or Nessus?
- Nessus edges out the other on user ratings (4.4 vs 4.1). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do Tenable.io and Nessus offer a free trial?
- Nessus offers a free trial. Tenable.io does not.
- What is the starting price of Tenable.io vs Nessus?
- Tenable.io starts at $2,275. Nessus starts at $2,790 /Year.
- What are the top alternatives to Tenable.io?
- Top alternatives to Tenable.io include InsightVM, BeyondTrust Vulnerability Management, Qualys VM, Nessus, Microsoft Threat Vulnerability Management.
- 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.