WiFi HealthCheck
WiFi & LAN 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 HealthCheck
1.4
September 4, 2026
1. Added Bonjour service discovery for common web, file-sharing, printing, and AirPlay services advertised on the local network. 2. Improved LAN Scan performance with controlled concurrency for faster scanning on common subnets. 3. TCP responding hosts and Bonjour services are now displayed separately for clearer and more accurate results. 4. Added clear states for denied Local Network access, no discovered services, and unavailable Bonjour discovery. 5. Enhanced LAN Scan reports and history with discovered Bonjour service names, types, and domains. 6. Improved task cancellation when stopping a scan, leaving the page, or moving the app to the background. 7. Maintained compatibility with existing LAN Scan history and improved overall stability.
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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.