Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Network Troubleshooting Software

Nmap vs Omnipeek

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Nmap #2 in Network Troubleshooting Software 9.1/10 Free plan Free plan✓ 0 of 2 features Visit Nmap
Omnipeek #7 in Network Troubleshooting Software 7.9/10 Pricing on request · 30-day trial Free trial✓ 0 of 2 features Visit Omnipeek

Nmap leads on 1 check, Omnipeek on 0, and 0 are 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 scoreNmap · 9.1/10
  • Free planonly Nmap
  • Free trialonly Omnipeek

Nmap scores higher on our rubric for network troubleshooting software: 9.1 against 7.9 out of 10; our editors rank them #2 and #7.

Nmap offers free plan; Omnipeek doesn't.

Nmap is the better fit for free network discovery and path troubleshooting. Omnipeek is the better fit for professional packet and wireless troubleshooting.

  • Nmap fits best

    Free network discovery and path troubleshooting

  • Omnipeek fits best

    Professional packet and wireless troubleshooting

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 9.1/10 Visit ↗ Omnipeek 7.9/10 Visit ↗
At a glance
Editor score 9.1 7.9
Ranking #2 in Network Troubleshooting Software #7 in Network Troubleshooting Software
Best for Free network discovery and path troubleshooting Professional packet and wireless troubleshooting
Pricing model Free Paid
Starting price Free plan Pricing on request · 30-day trial
Free plan ✓ (best) —
Free trial — 30 days
Deployment Desktop, Self-hosted Cloud, Self-hosted, Desktop
Platforms Windows, macOS, Linux Windows
Support Docs Tickets, Community
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Nmap 0/2 · Omnipeek 0/2
Packet capture Not checked yet Not checked yet
Path analysis Not checked yet Not checked yet
Specs
Deployment Not checked yet Not checked yet
Supported platforms Windows, macOS, Linux, FreeBSD, OpenBSD, NetBSD, Solaris, Amiga, and HP-UX Not checked yet
Device limit Not checked yet Not checked yet
Our review
Pros
  • Finds hosts, open ports, services, versions, operating systems, and devices.
  • Zenmap adds scan profiles, result comparison, and topology visualization.
  • Nping measures latency and packet loss; Nmap supports Windows, macOS, and Linux.
  • Analyzes local and remote packet captures across network segments
  • Combines flow, wireless, voice, and video troubleshooting tools
  • Can decrypt SSL traffic using server private keys
Cons
  • Primarily command-line operated, so it may not suit GUI-first workflows.
  • Focused on discovery and mapping rather than deep packet analysis.
  • OEM redistribution or embedding requires a separate license.
  • Runs on Windows rather than across desktop platforms
  • Pricing requires contacting sales
  • No free plan; the free trial lasts 30 days
Our verdict

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

Read the review →

Network and security teams investigating application performance, wireless, voice, video, or broader network issues may find Omnipeek’s packet-level approach a good fit. The Windows-based protocol analyzer captures, decodes, visualizes,…

Read the review →
  1. NmapNetwork Troubleshooting Software 9.1Free plan
  2. OmnipeekNetwork Troubleshooting Software 7.9Pricing on request · 30-day trial

Strengths and trade-offs

  • Nmap — where it wins

    • Finds hosts, open ports, services, versions, operating systems, and devices.
    • Zenmap adds scan profiles, result comparison, and topology visualization.
    • Nping measures latency and packet loss; Nmap supports Windows, macOS, and Linux.

    Where it doesn't

    • Primarily command-line operated, so it may not suit GUI-first workflows.
    • Focused on discovery and mapping rather than deep packet analysis.
    • OEM redistribution or embedding requires a separate license.
  • Omnipeek — where it wins

    • Analyzes local and remote packet captures across network segments
    • Combines flow, wireless, voice, and video troubleshooting tools
    • Can decrypt SSL traffic using server private keys

    Where it doesn't

    • Runs on Windows rather than across desktop platforms
    • Pricing requires contacting sales
    • No free plan; the free trial lasts 30 days
  • Nmap9.1/10 · Free plan

    A free scanner for finding hosts, services, open ports, and network paths.

    Visit NmapFull verdict →
  • Omnipeek7.9/10 · Pricing on request · 30-day trial

    Omnipeek combines packet, flow, wireless, and voice/video analysis with remote capture.

    Visit OmnipeekFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update