Port Authority
Port Authority: A capable free Android scanner for LAN discovery and LAN/WAN TCP checks. Ranked #18 of 26 in Port Scanner Software by our editors (7.4/10); pricing: Free plan; best for android LAN and WAN scanning.
At a glance
- Editor score7.4 / 10
- PricingFree plan
- Best forAndroid LAN and WAN scanning
- Free planYes
- Paid fromFree
- Facts checked21 Sep 2026
Where it wins
- LAN host discovery with public IP discovery
- Custom LAN and WAN TCP port range scans
- Service fingerprinting, DNS lookups, and Wake-on-LAN
Where it doesn't
- Available only for Android phones and tablets
- No paid tier for expanded capabilities
- The latest documented release dates to September 2022
Our verdict on Port Authority
Port Authority is a free, open-source Android application for discovering hosts, checking TCP ports, and gathering network information. It is aimed at people who need LAN or WAN scanning from an Android phone or tablet rather than from a desktop security toolkit. Its feature set combines LAN host discovery, public IP discovery, custom port range scans, MAC address vendor detection, DNS record lookups, and Wake-on-LAN for LAN hosts.
Scanning covers both local networks and internet-facing targets, with TCP checks across LAN and WAN connections. Port Authority also provides lightweight SSH and HTTP(S) service fingerprinting, then lets users open discovered HTTP(S) services in a browser. That combination makes it useful for identifying reachable services and adding basic context to discovered hosts without requiring separate network utilities. Wake-on-LAN adds a practical device-management function for compatible LAN hosts.
The main trade-off is focus. Port Authority is available only on Android phones and tablets, so it is not a fit for teams that need a desktop or broader multi-platform workflow. The free pricing model keeps access straightforward, while a separate donate version is available through Google Play. The latest documented release is version 2.4.5, released in September 2022, and the Google Play listing shows an update date of September 11, 2022. Choose Port Authority for a mobile-first, open-source scanner with useful discovery and network utilities; choose another tool if you need a current desktop-centered platform or a broader operational workflow.
Your product? Our editors can test Port Authority in depth and publish a review, labelled as paid · from $149/mo →
Port Authority pricing
Port Authority fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Deployment | Not verified |
| Scan scope | Internet |
| Service detection | Yes |
| OS detection | Not verified |
| Scheduled scans | Not verified |
| API access | Not verified |
| Export formats | Not verified |
| Deployment | Mobile |
| Platforms | Android |
| Support | |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan |
| Website | github.com |
| Facts checked | 21 Sep 2026 |
Alternatives to Port Authority
- NmapA mature, broad port scanner with deep command-line capabilities and useful companion tools.9.4
- NaabuA free, CLI-focused scanner for internet-scale port and service discovery.9.1
- ScanSearchA cloud scanner for internet exposure, vulnerability matching, monitoring, and API-driven workflows.8.9
See all Port Authority alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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