Discover devices on your Wi-Fi network
617SW Apps
Network Terrier for home network visibility.
Network Terrier is an iPhone WiFi scanner that helps you discover devices, identify printers and connected gear, review network details, and spot unfamiliar activity on networks you are authorized to inspect.
Real app screens
See your network clearly before you trust it.
Network Terrier turns local network discovery into a focused dashboard: live scan status, public and local network details, devices to review, saved tags, favorites, and quick access to the tools that help you identify what is actually connected.

Local-first
Built for practical network checks
Identify phones, computers, printers, routers, and smart home gear
Review vendors, hostnames, IP details, ports, and network services
Run speed tests, ping, traceroute, DNS checks, and security reviews
Flag unfamiliar devices and keep local notes, names, and tags
Surface printer details to make shared devices easier to recognize
Screenshots
From discovery to diagnosis
Move from a broad Wi-Fi scan to specific device details, printer recognition, security findings, and network tools without leaving the app.

Security review
Turn open ports and device signals into a practical network health score.

Printer identification
Recognize printers and shared devices with service, hostname, vendor, and port details.

Network tools
Run speed tests, ping, traceroute, DNS checks, and other diagnostics from one place.

Presence tracking
Link familiar devices to people and see simple at-home patterns.

Network Terrier Pro
Upgrade for unlimited scans, alerts, advanced tools, and deeper security details.
Questions about Network Terrier?
Reach 617SW for app support, legal questions, or product feedback.
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