Wifi Scanner and Speed Tester can check you wifi speed and channels etc along with full speed test very useful this is the PRO version

WiFi Signal Strength Meter is a free, fast and compact network app. Super WiFi Signal used to optimise WiFi networks by scanning signal strength, rating WiFi Channel and testing WiFi speed. WiFi Speed Tester Pro will show the Wi-Fi channels around you. WiFi Scanning Android will provide useful information about WiFi channels around you: router, internet IP, subnet mask, max speed, signal strength, frequency. WiFi Scanner Free will analyze to find a less crowded channel for your wifi router. Moreover, WiFi Signal Booster supports 2.5 Ghz and 5 Ghz wireless frequencies.

Network Speed Tester does not only scan WiFi channels but also test WiFi speed. With just one tap, Super WiFi Signal will test Internet speed and show accurate speed test results: terminal, ping, download speed, upload speed. In addition, WiFi Speed Tester automatically saves the WiFi speed test results. And then, you can compare easily all WiFi channels around you.

Features:
• WiFi Signal Strength Meter scans all WiFi channels near you
• Speed Test WiFi provides detailed WiFi information
• WiFi Speed Tester Premium tests your wifi speed
• WiFi Signal Booster supports 2.5 Ghz and 5 Ghz wireless frequencies
• WiFi Scanner: WiFi Speed Tester saves history of signal strength
• Smart user interface