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Head-to-head · Port Scanner Software

Naabu vs Pentest-Tools Port Scanner

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Naabu #2 in Port Scanner Software 9.1/10 Free plan Free plan✓ 2 of 4 features Visit Naabu
Pentest-Tools Port Scanner #5 in Port Scanner Software 8.7/10 Free plan · 7-day trial Free planFree trial✓ 4 of 4 features Visit Pentest-Tools

Naabu leads on 0 checks, Pentest-Tools Port Scanner on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreNaabu · 9.1/10
  • Free planboth
  • Free trialonly Pentest-Tools Port Scanner
  • Most featuresPentest-Tools Port Scanner · 4 of 4

Naabu scores higher on our rubric for port scanner software: 9.1 against 8.7 out of 10; our editors rank them #2 and #5.

On deployment, Naabu gives you Cli where Pentest-Tools Port Scanner offers Cloud.

Naabu is the better fit for internet-scale CLI scanning with integrations. Pentest-Tools Port Scanner is the better fit for professional web-based pentesting workflows.

  • Naabu fits best

    Internet-scale CLI scanning with integrations

  • Pentest-Tools Port Scanner fits best

    Professional web-based pentesting workflows

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Naabu 9.1/10 Visit ↗ Pentest-Tools Port Scanner 8.7/10 Visit ↗
At a glance
Editor score 9.1 8.7
Ranking #2 in Port Scanner Software #5 in Port Scanner Software
Best for Internet-scale CLI scanning with integrations Professional web-based pentesting workflows
Pricing model Free Free plan + paid
Starting price Free plan $95/mo
Free plan ✓ ✓
Free trial — 7 days
Deployment Self-hosted Cloud
Platforms Windows, macOS, Linux Web
Support Community, Docs Email, Docs
Integrations 3 integrations 11 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Naabu 2/4 · Pentest-Tools Port Scanner 4/4
Service detection ✓ ✓
OS detection Not checked yet ✓ (best)
Scheduled scans Not checked yet ✓ (best)
API access ✓ ✓
Specs
Deployment Cli Cloud
Scan scope Internet Internet
Export formats JSON, CSV, TXT, STDOUT CSV, JSON, PDF
Our review
Pros
  • Supports SYN, CONNECT, UDP, IPv4, and IPv6 scanning
  • Combines Nmap and Shodan InternetDB with multiple target types
  • Exports JSON, CSV, TXT, and standard-output results
  • Scans TCP and UDP ports across up to 65,535 ports
  • Detects service versions and operating systems
  • Supports scheduling, exports, APIs, and workflow integrations
Cons
  • Local CLI use requires command-line familiarity
  • Service-version detection requires a local Nmap installation
  • Narrower CLI focus than broader port-scanning platforms
  • Paid plans start at $95 per month
  • Advanced capabilities require higher-tier plans
  • Internet-facing and authorized infrastructure focus may not fit every team
Our verdict

Naabu is an open-source command-line port scanner written in Go for security researchers, bug bounty hunters, penetration testers, and attack-surface discovery. It enumerates responsive ports across hosts, lists, CIDR ranges, ASNs, and…

Read the review →

Pentest-Tools Port Scanner is a cloud-hosted online scanner based on Nmap for penetration testers, security teams, consultants, managed service providers, and organizations assessing internet-facing or authorized internal infrastructure.…

Read the review →
  1. NaabuPort Scanner Software 9.1Free plan
  2. Pentest-Tools Port ScannerPort Scanner Software 8.7Free plan · 7-day trial

Strengths and trade-offs

  • Naabu — where it wins

    • Supports SYN, CONNECT, UDP, IPv4, and IPv6 scanning
    • Combines Nmap and Shodan InternetDB with multiple target types
    • Exports JSON, CSV, TXT, and standard-output results

    Where it doesn't

    • Local CLI use requires command-line familiarity
    • Service-version detection requires a local Nmap installation
    • Narrower CLI focus than broader port-scanning platforms

  • Pentest-Tools Port Scanner — where it wins

    • Scans TCP and UDP ports across up to 65,535 ports
    • Detects service versions and operating systems
    • Supports scheduling, exports, APIs, and workflow integrations

    Where it doesn't

    • Paid plans start at $95 per month
    • Advanced capabilities require higher-tier plans
    • Internet-facing and authorized infrastructure focus may not fit every team

More comparisons

All port scanner software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update