WiFi Doctor: Network Diagnosis

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Content rating
Everyone
500+
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Content rating
Everyone
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About this app

WiFi Doctor is a WiFi analyzer and network diagnostic toolkit for Android. Investigate slow internet, weak WiFi signals, connection drops and websites that won't load with detailed measurements and clear technical reports.

WiFi Doctor combines speedtest tools and network diagnosis to help you diagnose Wi-Fi problems, investigate network errors and understand slow or unstable internet connections.

Connected to Wi-Fi but no internet? Experiencing weak signals, connection drops or websites that won't load? Run a Quick Check or explore deeper diagnostics with technical evidence and practical troubleshooting guidance.

Network diagnosis & error investigation
• Explore 80+ diagnostic checks and assessments covering device settings, Wi-Fi connections, radio conditions, LAN, DNS and internet access.
• Investigate where a network error may occur, from your phone and router to DNS resolution and internet connectivity.
• Review findings, supporting measurements and suggested next steps.

Internet speedtest & connection quality
• Run a speedtest to measure download and upload speeds.
• Check ping, jitter and packet loss to investigate gaming lag, buffering and unstable video calls.
• Follow live graphs and repeated measurements to understand connection stability.

Technical reports & AI assistance
• Inspect test methods, targets, response times, error codes and raw diagnostic results.
• Copy reports for technical support or share them with ChatGPT or Claude to ask about likely causes and troubleshooting steps.
• AI analysis takes place in your chosen external service.

Wi-Fi signal & channel analysis
• Diagnose Wi-Fi signal problems with RSSI measurements, channel graphs and signal history.
• Compare nearby networks, channel overlap, channel widths and channel recommendations.
• Explore 2.4 GHz, 5 GHz and 6 GHz bands where supported by your device.

Website connection diagnostics
• Investigate DNS errors, IPv4/IPv6 connectivity, TCP connections and TLS certificates.
• Inspect HTTP responses and redirects, compare DNS answers and use traceroute to investigate the network path.

LAN scanner & device discovery
• Find discoverable computers, phones, TVs, printers and smart home devices on your local network.
• View IP addresses, hostnames, device names, types and advertised services when available.

Live network monitoring
• Track Wi-Fi signal strength, gateway and internet latency, packet loss and connection interruptions.
• Observe changes over time to investigate recurring network problems.

Available checks and measurements depend on your Android version, device, network and permissions.
Diagnose WiFi & website issues with 80+ checks. Speedtest, channel & LAN scan
Updated on
Oct 21, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
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  • No data collected
    Learn more about how developers declare collection
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

Meet WiFi Doctor — understand your network and troubleshoot with confidence!
• Diagnose Wi-Fi and Internet connection issues.
• Run a speedtest to measure download and upload speeds.
• Investigate website access problems.
• Analyze Wi-Fi channels to find a better channel.
• Monitor connection status in real time.
• Discover devices on your local network.
• Assess network quality with clear scores and diagnostic insights.
Content rating
Everyone
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App support

About the developer
Ngô Văn Thao
realtimesoft.vn@gmail.com
Yên Trường, Trường Thịnh, Ứng Hòa Hà Nội 100000 Vietnam