Best Port Scanner Software in 2026
Updated
In short: RustScan is ranked #1 of 26 as of 4 October 2026, ahead of Nmap and Naabu. The best-ranked option with a free plan is Nmap. The lowest first paid tier on this page is ScanSearch at $0.30/mo.
For network checks involving open ports, scanners can differ in what they examine and the details they report. Compare scan scope with service detection and OS detection, then consider deployment options, API access, and export formats as you think through running scans and working with results. Scheduled scans, free-plan availability, and paid-from pricing offer additional criteria. RustScan, Port Authority, and Naabu are among the software options covered. Consider the type of scanning you need and how you expect to use the resulting information when weighing the listed capabilities.
26 port scanner software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score
- 1 RustScan Android only RecognisedPhone appDocumentedFree plan 9.0Free Deployment: cliScan scope: networkService detection: Yes
- 2 Nmap No phone app RecognisedPhone appDocumentedFree plan 8.2$9,980/mo Deployment: desktop
- 3 Naabu No phone app RecognisedPhone appDocumentedFree plan 8.2Free Deployment: cliScan scope: internetService detection: Yes
- 4 ScanSearch No phone app RecognisedPhone appDocumentedFree plan 8.1$0.30/mo Deployment: cloudScan scope: internetService detection: Yes
- 5 Pentest-Tools Port Scanner No phone app RecognisedPhone appDocumentedFree plan 7.9$95/mo Deployment: cloudScan scope: internetService detection: Yes
- 6 Angry IP Scanner No phone app RecognisedPhone appDocumentedFree plan 7.6Free Deployment: desktop
- 7 Unicornscan No phone app RecognisedPhone appDocumentedFree plan 7.3Free Deployment: cliScan scope: networkService detection: Yes
- 8 HostedScan Security No phone app RecognisedPhone appDocumentedFree plan 7.1$39/mo Deployment: cloudScan scope: internetService detection: Yes
- 9 Port Authority Android only RecognisedPhone appDocumentedFree plan 7.0 Scan scope: internetService detection: Yes
- 10 Masscan No phone app RecognisedPhone appDocumentedFree plan 6.6 Deployment: cliScan scope: internetService detection: Yes
- 11 portwave No phone app RecognisedPhone appDocumentedFree plan 6.4 Deployment: cliScan scope: internetService detection: Yes
- 12 Nmap Online Scan No phone app RecognisedPhone appDocumentedFree plan 6.4 Deployment: cloudScan scope: internetService detection: Yes
- 13 ZMap No phone app RecognisedPhone appDocumentedFree plan 6.2 Deployment: cliScan scope: internetService detection: No
- 14 NetsCLI No phone app RecognisedPhone appDocumentedFree plan 6.2 Deployment: cliScan scope: networkService detection: Yes
- 15 Farsight No phone app RecognisedPhone appDocumentedFree plan 6.1 Deployment: self-hostedScan scope: internetService detection: Yes
- 16 PortScan.com No phone app RecognisedPhone appDocumentedFree plan 6.1 Deployment: cloudScan scope: hostService detection: Yes
- 17 Sherlock Forensics Port Scanner No phone app RecognisedPhone appDocumentedFree plan 5.9 Deployment: desktopScan scope: networkService detection: Yes
- 18 Advanced Port Scanner No phone app RecognisedPhone appDocumentedFree plan 5.6 Deployment: desktop
- 19 HackerTarget TCP Port Scan No phone app RecognisedPhone appDocumentedFree plan 5.6 Deployment: cloudScan scope: internetService detection: No
- 20 PortScannerLabs No phone app RecognisedPhone appDocumentedFree plan 5.5 Deployment: cloudScan scope: internetService detection: Yes
- 21 Avidemux No phone app RecognisedPhone appDocumentedFree plan 5.5Free
- 22 Port Scanner Software No phone app RecognisedPhone appDocumentedFree plan 5.1 Deployment: desktopScan scope: host
- 23 SolarWinds Port Scanner No phone app RecognisedPhone appDocumentedFree plan 5.1 Deployment: desktopScan scope: networkService detection: Yes
- 24 eslint-plugin-jsx-a11y No phone app RecognisedPhone appDocumentedFree plan 5.1
- 25 Port Scanner ActiveX Control No phone app RecognisedPhone appDocumentedFree plan 5.0 Deployment: desktopScan scope: networkService detection: Yes
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which port scanner software is ranked first on Samsung Mobile US Press?
RustScan is ranked #1 of 26 with a score of 9.0. Nmap is second and Naabu third.
How many of these have a free plan?
8 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, ScanSearch has the lowest first paid tier we found: $0.30/mo.
How is this list ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation. Paid placements never change a rank.