Head-to-head · Network Vulnerability Scanners
OpenVAS vs NSAuditor AI
OpenVAS leads on 0 checks, NSAuditor AI on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreOpenVAS · 9.2/10
- Free planboth
- Free trialonly OpenVAS
OpenVAS scores higher on our rubric for network vulnerability scanners: 9.2 against 8.5 out of 10; our editors rank them #2 and #7.
OpenVAS is the better fit for mature open-source vulnerability management. NSAuditor AI is the better fit for open-source scanning with AI and compliance breadth.
- OpenVAS fits best
Mature open-source vulnerability management
- NSAuditor AI fits best
Open-source scanning with AI and compliance breadth
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Side by side
| Feature | OpenVAS 9.2/10 Visit ↗ | NSAuditor AI 8.5/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.2 | 8.5 |
| Ranking | #2 in Network Vulnerability Scanners | #7 in Network Vulnerability Scanners |
| Best for | Mature open-source vulnerability management | Open-source scanning with AI and compliance breadth |
| Pricing model | Free plan + paid | Free plan + paid |
| Starting price | — | — |
| Free plan | ✓ | ✓ |
| Free trial | 14 days | — |
| Deployment | Self-hosted | Self-hosted |
| Platforms | Web, Windows, macOS, Linux | Windows, macOS, Linux |
| Support | Community, Docs | Email, Community, Docs |
| Compliance | GDPR | SOC 2, HIPAA, GDPR, PCI DSS, ISO 27001 |
| Integrations | 5 integrations | 7 integrations |
| Built for | Small business, Mid-market, Enterprise | Small business, Mid-market, Enterprise |
| Features OpenVAS 0/4 · NSAuditor AI 0/4 | ||
| Credentialed scans | Not checked yet | Not checked yet |
| Agent-based scanning | Not checked yet | Not checked yet |
| Compliance checks | Not checked yet | Not checked yet |
| Network discovery | Not checked yet | Not checked yet |
| Specs | ||
| Deployment | Not checked yet | Not checked yet |
| Asset limit | 150 assets | Not checked yet |
| Supported operating systems | Not checked yet | Not checked yet |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | OpenVAS is an open-source vulnerability scanner developed and maintained by Greenbone AG. It is designed for organizations assessing network services, servers, applications, endpoints and container images through both unauthenticated and… Read the review → |
NSAuditor AI is an open-core vulnerability and network security auditing platform for security teams, MSPs, MSSPs, and compliance consultancies. It scans network hosts and CIDR subnets, audits AWS, Azure, and GCP environments, matches… Read the review → |
Strengths and trade-offs
OpenVAS — where it wins
- Authenticated and unauthenticated scanning across broad infrastructure targets
- Continuous scanning, daily feed updates, agents and container image scanning
- Compliance, scheduling, automation, APIs and distributed sensor architecture
Where it doesn't
- OPENVAS FREE is limited to private and non-professional IT infrastructures
- OPENVAS BASIC is intended for networks with fewer than 150 assets
- Choosing between community, free and commercial editions requires care
NSAuditor AI — where it wins
- Scans hosts, CIDR subnets, cloud environments, TLS, DNS, and OT targets
- Supports offline CVE matching, risk prioritization, and MITRE ATT&CK mapping
- Runs on customer infrastructure with air-gapped operation and zero data exfiltration
Where it doesn't
- Community includes 27 scanner plugins, compared with 56 in Enterprise tiers
- Cloud auditing requires customer-configured AWS, Azure, or GCP credentials
- Advanced compliance and custom capabilities are limited to higher-tier plans
- OpenVAS9.2/10 · Free plan · 14-day trial
A mature, flexible scanner for organizations that need broad vulnerability management.
Visit OpenVASFull verdict → - NSAuditor AI8.5/10 · Free plan
A local-first scanner with open-source access, AI analysis, and compliance-focused tiers.
Visit NSAuditor AIFull verdict →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update







