WiFi Scan - WiFi Analyzer

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About this app

📡 ANALYZE WI-FI AND NETWORKS FROM YOUR PHONE

WiFi Scan is a Wi-Fi analysis and network diagnostic tool for Android. Discover nearby access points, check signal strength, analyze channels, locate weak coverage areas and record Wi-Fi roaming routes.

Designed for advanced users, installers, support technicians, system administrators and network professionals.

🔍 NEARBY ACCESS POINTS

View detailed information about each detected network:

• SSIDs and hidden networks.
• Access point BSSID or MAC address.
• Approximate manufacturer using a local OUI database.
• Detected security: WPA3, WPA2, WPA, WEP or open network.
• Channel and frequency in MHz.
• Signal strength in dBm.
• Approximate distance based on signal and frequency.
• Visual grouping of multiple APs sharing the same SSID.

You can also share access point details as text.

📊 CHANNEL ANALYSIS AND RATINGS

View detected networks across the 2.4 GHz, 5 GHz and 6 GHz bands.

The app analyzes channel usage, overlap and nearby signal strength to:

• Show interference on each channel.
• Display visual star ratings.
• Indicate how many APs affect each channel.
• Recommend the three highest-rated channels.

🧭 ACCESS POINT FINDER

Select an AP and use the signal meter to physically locate it or verify coverage in different areas.

The meter displays values from −100 dBm to −30 dBm, separates weak, medium and strong signal zones, and can play an optional tone that changes with signal strength.

🔄 WI-FI ROAMING RECORDER

Record routes while your device remains connected to Wi-Fi.

Each session can store the SSID, BSSID, signal level, frequency, channel, connection status and area. The app detects access point changes within the same SSID, network changes, signal loss and reconnections.

You can:

• Name each route.
• Mark areas such as reception, hallway, office, room or pool.
• Review average signal and the weakest sample.
• Identify possible weak coverage areas.
• Explore an event timeline.
• Keep a history of previous sessions.
• Export and share results as CSV.

Samples at or below −75 dBm are highlighted as possible weak coverage areas.

🌐 LOCAL NETWORK DISCOVERY

Scan the current Wi-Fi network or manually enter an IPv4/CIDR range from /24 to /30.

WiFi Scan searches for devices using Ping, available ARP or IP Neighbor information, and common TCP port checks. Results may include the IP address, detection method, MAC address and approximate manufacturer.

🛠️ NETWORK MONITOR

Test a URL, IP address, hostname or service using:

• Continuous Ping.
• TCP connections.
• UDP tests.

Each result includes the time, OK or FAIL status and response details.

🎛️ FILTERS AND SETTINGS

Filter results by SSID, BSSID, manufacturer, security, channel or minimum signal strength.

Configure the refresh frequency, light or dark theme, English or Spanish language, keep-screen-awake behavior and scanning behavior based on Android limitations.

⚡ SCAN. ANALYZE. LOCATE. OPTIMIZE.

Check installation coverage, detect interference, locate access points, analyze roaming behavior and diagnose common connectivity issues from a single app.

ℹ️ Wi-Fi result availability and refresh frequency depend on the device, granted permissions, location settings and Android scanning restrictions. Manufacturer and distance values are approximate estimates.

What’s new

🚀 Version 3.7

📶 New Wi-Fi roaming recorder with session history, analysis and CSV export.
🔎 Local network device discovery.
📍 Approximate distance, SSID grouping and AP detail sharing.
⭐ Channel rating with best-channel recommendations.
🧭 AP finder with visual signal meter and sound.
🛠️ Network monitor with Ping, TCP and UDP.
🎨 New filters, language selector, light/dark themes, improved channel charts, Google UMP privacy, adaptive banners and better Android scan-limit handling.