Best Port Scanner Software in 2026
Updated
In short: Naabu is ranked #1 of 25 as of 4 October 2026, ahead of Nmap and RustScan. The best-ranked option with a free plan is Nmap. The lowest first paid tier on this page is ScanSearch at $0.30/mo.
Port scanners help you examine network ports and the services or operating systems associated with them. Compare scan scope with service detection and OS detection to understand what each tool can cover and reveal. Deployment options, API access, and export formats give you further points of comparison for running scans and handling results; scheduled scans may matter for recurring checks. The ranking also includes free-plan availability and paid-from pricing. Nmap, Naabu, and ScanSearch open the ranking, followed by Pentest-Tools Port Scanner and RustScan. Consider the scans you need to run and how you want to work with the findings as you compare the listed capabilities.
25 port scanner software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
#1 Naabu Top pick · 7.2 Free plan · Free
#2 Nmap Runner-up · 7.1 Free plan · $9,980/mo
#3 RustScan Also great · 7.1 Free plan · Free- Free plan apiLinuxmacOSself-hostedWindows
- Free plan
- Yes
- Deployment
- cli
- Scan scope
- internet
- Service detection
- Yes
RecognisedDocumentedFree planPlatforms - Free planFree trial LinuxmacOSself-hostedWindows
- Free plan
- Yes
- Deployment
- desktop
RecognisedDocumentedFree planPlatforms$9,980/mofirst paid tier About NmapVisit site - Free plan AndroidLinuxmacOSself-hostedWindows
- Free plan
- Yes
- Deployment
- cli
- Scan scope
- network
- Service detection
- Yes
- OS detection
- Yes
RecognisedDocumentedFree planPlatforms - Free planFree trial apiLinuxWeb
- Free plan
- Yes
- Paid from
- 30 /mo
- Deployment
- cloud
- Scan scope
- internet
- Service detection
- Yes
- OS detection
- Yes
RecognisedDocumentedFree planPlatforms$0.30/mofirst paid tier About ScanSearchVisit site - Free plan apiLinuxmacOSself-hostedWeb
- Free plan
- Yes
- Deployment
- cli
- Scan scope
- network
- Service detection
- Yes
- OS detection
- Yes
RecognisedDocumentedFree planPlatforms - Free plan LinuxmacOSWindows
- Free plan
- Yes
- Deployment
- desktop
RecognisedDocumentedFree planPlatforms - Free planFree trial apiWeb
- Free plan
- Yes
- Paid from
- 95 /mo
- Deployment
- cloud
- Scan scope
- internet
- Service detection
- Yes
- OS detection
- Yes
RecognisedDocumentedFree planPlatforms$95/mofirst paid tier About Pentest-Tools Port ScannerVisit site - Free trial Web
- Free plan
- Yes
- Deployment
- cloud
- Scan scope
- internet
- Service detection
- Yes
- OS detection
- Yes
RecognisedDocumentedFree planPlatforms - Free trial apiWeb
- Free plan
- No
- Paid from
- 39 /mo
- Deployment
- cloud
- Scan scope
- internet
- Service detection
- Yes
RecognisedDocumentedFree planPlatforms$39/mofirst paid tier About HostedScan SecurityVisit site - LinuxmacOSWindows
- Free plan
- Yes
- Deployment
- cli
- Scan scope
- network
- Service detection
- Yes
- OS detection
- No
RecognisedDocumentedFree planPlatforms - WindowsmacOSLinux
- Free plan
- Yes
- Deployment
- cli
- Scan scope
- internet
- Service detection
- Yes
RecognisedDocumentedFree planPlatforms - WindowsmacOSLinux
- Free plan
- Yes
- Deployment
- cli
- Scan scope
- internet
- Service detection
- Yes
RecognisedDocumentedFree planPlatforms - WindowsLinux
- Free plan
- Yes
- Deployment
- desktop
- Scan scope
- network
- Service detection
- Yes
- OS detection
- No
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Paid from
- 10 /mo
- Deployment
- cloud
- Scan scope
- internet
- Service detection
- No
- OS detection
- No
RecognisedDocumentedFree planPlatforms - LinuxmacOS
- Free plan
- Yes
- Deployment
- cli
- Scan scope
- internet
- Service detection
- No
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Deployment
- cloud
- Scan scope
- host
- Service detection
- Yes
RecognisedDocumentedFree planPlatforms - Windows
- Free plan
- Yes
- Deployment
- desktop
RecognisedDocumentedFree planPlatforms -
- Free plan
- Yes
RecognisedDocumentedFree planPlatforms - Linux
- Free plan
- Yes
- Deployment
- self-hosted
- Scan scope
- internet
- Service detection
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Deployment
- cloud
- Scan scope
- internet
- Service detection
- Yes
RecognisedDocumentedFree planPlatforms - Android
- Free plan
- Yes
- Scan scope
- internet
- Service detection
- Yes
RecognisedDocumentedFree planPlatforms - Windows
- Free plan
- No
- Deployment
- desktop
- Scan scope
- network
- Service detection
- Yes
- OS detection
- No
RecognisedDocumentedFree planPlatforms - Windows
- Free plan
- No
- Deployment
- desktop
- Scan scope
- network
- Service detection
- Yes
- OS detection
- No
RecognisedDocumentedFree planPlatforms - Windows
- Deployment
- desktop
- Scan scope
- host
RecognisedDocumentedFree planPlatforms -
- Free plan
- Yes
RecognisedDocumentedFree planPlatforms
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 Everything Xiaomi?
Naabu is ranked #1 of 25 with a score of 7.2. Nmap is second and RustScan third.
How many of these have a free plan?
7 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 on what each maker publishes: documentation depth, a free tier and the platforms it runs on. Paid placements never change a rank.