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Head-to-head · Port Scanner Software

Nmap vs Pentest-Tools Port Scanner

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Nmap #1 in Port Scanner Software 9.4/10 Free plan Free plan✓ 0 of 4 features Visit Nmap
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

Nmap 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 scoreNmap · 9.4/10
  • Free planboth
  • Free trialonly Pentest-Tools Port Scanner
  • Most featuresPentest-Tools Port Scanner · 4 of 4

Nmap scores higher on our rubric for port scanner software: 9.4 against 8.7 out of 10; our editors rank them #1 and #5.

On deployment, Nmap gives you Desktop where Pentest-Tools Port Scanner offers Cloud.

Nmap is the better fit for broad, mature free scanning across major platforms. Pentest-Tools Port Scanner is the better fit for professional web-based pentesting workflows.

  • Nmap fits best

    Broad, mature free scanning across major platforms

  • 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 Nmap 9.4/10 Visit ↗ Pentest-Tools Port Scanner 8.7/10 Visit ↗
At a glance
Editor score 9.4 8.7
Ranking #1 in Port Scanner Software #5 in Port Scanner Software
Best for Broad, mature free scanning across major platforms Professional web-based pentesting workflows
Pricing model Free Free plan + paid
Starting price Free plan $95/mo
Free plan ✓ ✓
Free trial — 7 days
Deployment Desktop, Self-hosted Cloud
Platforms Windows, macOS, Linux Web
Support Docs Email, Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Nmap 0/4 · Pentest-Tools Port Scanner 4/4
Service detection Not checked yet ✓ (best)
OS detection Not checked yet ✓ (best)
Scheduled scans Not checked yet ✓ (best)
API access Not checked yet ✓ (best)
Specs
Deployment Desktop Cloud
Scan scope Not checked yet Internet
Export formats Not checked yet CSV, JSON, PDF
Our review
Pros
  • Comprehensive TCP and UDP scanning with service and OS detection
  • Zenmap adds profiles, result comparison, history, and topology views
  • Free, open-source coverage across Windows, macOS, and Linux
  • 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
  • Primarily command-line operated, which can increase the learning curve
  • No built-in AI features
  • OEM redistribution or embedding requires a separate license
  • 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

Nmap is a free, open-source network discovery and security auditing tool for network and security professionals. It identifies hosts, open TCP and UDP ports, services and versions, operating systems, device types, and network paths. Its…

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. NmapPort Scanner Software 9.4Free plan
  2. Pentest-Tools Port ScannerPort Scanner Software 8.7Free plan · 7-day trial

Strengths and trade-offs

  • Nmap — where it wins

    • Comprehensive TCP and UDP scanning with service and OS detection
    • Zenmap adds profiles, result comparison, history, and topology views
    • Free, open-source coverage across Windows, macOS, and Linux

    Where it doesn't

    • Primarily command-line operated, which can increase the learning curve
    • No built-in AI features
    • OEM redistribution or embedding requires a separate license

  • 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
  • Nmap9.4/10 · Free plan

    A mature, broad port scanner with deep command-line capabilities and useful companion tools.

    Visit NmapFull verdict →
  • Pentest-Tools Port Scanner8.7/10 · Free plan · 7-day trial

    A deep, workflow-ready port scanner for professional security teams.

    Visit Pentest-ToolsFull verdict →

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