WiFi Health Check
LAN Discovery & Diagnostics
About
Diagnose Wi-Fi and LAN connectivity issues with on-device tools. Test DNS, TCP, and HTTPS, check for captive portals, and analyze network stability. View current network information and generate diagnostic reports.
What's New in WiFi Health Check
1.12
October 25, 2026
• New PRO extended multicast discovery: expands how devices are discovered and identified through SSDP/UPnP, WS-Discovery (including ONVIF discovery information) and SADP. Turn it on when needed; actual results depend on iOS permissions, device settings and your network. • Improved recognition and classification of computers, NAS, printers, cameras and smart speakers, with confirmed specific models shown first. • Refined the iPad large-screen layout, with redesigned device details and multi-column views for easier browsing. • Improved scan change comparison and history browsing, clearly showing newly found devices, devices not found this time, and devices whose information changed. • New Home Screen widgets to view your latest check results and jump to frequently used features. • Added 9 languages: Traditional Chinese, French, Spanish, Portuguese, Italian, Dutch, Polish, Swedish and Japanese.
MoreSubscriptions & In-App Purchases
$3.99
PRO
Unlock advanced LAN scanning controls.
Developer apps
FAQ
What kind of network issues can WiFi HealthCheck diagnose?
WiFi HealthCheck can diagnose common DNS, TCP, HTTPS, IPv4/IPv6, captive portal, and Wi-Fi roaming issues. It inspects your current Wi-Fi and network path, tests connectivity, and checks for captive portals.
Does WiFi HealthCheck require an account or cloud storage?
No, WiFi HealthCheck does not require an account and does not rely on cloud storage. Diagnostic results and history stay on your device by default and are only shared when you choose to export a report.
How does the LAN TCP stability testing work in WiFi HealthCheck?
You can configure the IP address and TCP port of a local service (like a router or NAS) and run repeated connection tests. Results include connection success/failure rates, latency, and various error events.
What information does WiFi HealthCheck provide about my current network?
It displays your current Wi-Fi name (SSID), BSSID, local IP address, estimated gateway, Wi-Fi security type, and access point vendor information, depending on iOS permissions.
Can WiFi HealthCheck help with Wi-Fi roaming issues?
Yes, the Wi-Fi roaming test allows you to record BSSID samples, TCP continuity, and Wi-Fi node transitions as you move between locations. It provides evidence of your roaming path and latency changes.
What is the age rating for WiFi HealthCheck?
WiFi HealthCheck has an age rating of 4+, making it suitable for a wide range of users.
On which devices can I use WiFi HealthCheck?
WiFi HealthCheck is currently supported on iPhone devices.
How often is WiFi HealthCheck updated?
The latest version, 1.4, was released on September 4, 2026, indicating recent development and updates.
