WiFi Doctor - Network Analyzer

Scan WiFi networks, test internet speed, find all connected devices, check network security, and fix Wi Fi problems with our powerful all-in-one network analyzer.

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🔍 WIFI SCANNER & ANALYZER
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• Scan all nearby Wi-Fi networks in real-time
• See signal strength (dBm), security type, channel, and band (2.4 GHz / 5 GHz)
• Identify open (unsecured) networks with instant security alerts
• Real-time signal strength meter with live dBm readings

📊 CHANNEL ANALYZER
• Visualize channel congestion on 2.4 GHz and 5 GHz bands
• Get smart channel recommendations to reduce interference
• Bar chart view of all active channels and network count

🚀 INTERNET SPEED TEST
• One-tap download, upload, and ping speed test
• Accurate real-world speed measurements
• No third-party account needed — completely free

📱 CONNECTED DEVICE SCANNER
• Discover every device connected to your Wi-Fi
• View IP address, MAC address, hostname, and manufacturer
• Identify unknown or suspicious devices on your network

🔐 WIFI SECURITY CHECKER
• Check your network encryption (WPA3, WPA2, WPA, WEP, Open)
• Get personalized security tips and risk alerts
• Detect open networks nearby

🌐 NETWORK INFO & TOOLS
• View IP address, gateway, DNS servers, subnet mask
• Link speed and band information
• Real-time connectivity status

📡 PING TOOL & DNS LOOKUP
• Ping any host or IP with millisecond accuracy
• DNS lookup for any domain — fast resolution
• Check internet connectivity and server reachability

🔧 FIX MY WIFI (Free Guided Wizard)
• Step-by-step guided WiFi troubleshooting
• Auto-diagnose your connection quality
• Actionable fix steps — no technical knowledge needed

🔑 ROUTER DEFAULT PASSWORD DATABASE
• 40+ router brands with default login credentials
• Works completely offline — no internet needed
• Quick search by brand name

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⭐ PRO FEATURES
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🔓 Port Scanner — Detect open ports on any network host
📷 WiFi QR Code Generator & Scanner — Share or join networks instantly
📜 Network History Log — Track your Wi Fi performance over time
🏷️ Device Manufacturer ID — Identify any device by MAC address
🚫 No Ads

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📊 WIFI HEALTH SCORE
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WiFi Doctor calculates a real-time WiFi Health Score (0–100) based on signal strength, band, speed, and connectivity — so you always know exactly how good your WiFi is.

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🔔 SMART ALERTS
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• Signal drop alerts
• Open network warnings when you connect to unsecured Wi-Fi
• Background monitoring — know instantly when your network changes

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📲 HOME SCREEN WIDGET
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See your Wi - Fi health score, signal strength, and network status directly from your home screen — no need to open the app.

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🔒 PRIVACY FIRST
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WiFi Doctor does not collect or share your personal data. All network scanning is done locally on your device. Location permission is required by Android 12+ for Wi Fi scanning only — we never track your location.

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📋 PERMISSIONS EXPLAINED
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• Location — Required by Android 12+ to scan nearby WiFi networks (not for tracking)
• Camera — Only for QR code scanning (optional)
• Notifications — For signal drop and security alerts (optional)

Try Wi Fi Doctor free. Upgrade to Pro to unlock all tools.