Wi-Fi can be exceedingly difficult to troubleshoot. Get some help from the best Wi-Fi apps for Android to diagnose those problems!

Make sure your wifi network is running on the channel with the least competing interference from other wireless networks (ideally 1, 6, or 11 for 2.4GHz networks, or lower channels for 5GHz networks).

Acrylic WiFi is a free WiFi scanner that gets you WiFi access points information of connected devices, Acrylic scanner can scan 802.11/a/b/g/n/ac WiFi networks.

Does anyone know of anything like this? I've been looking through the app store but haven't found any viable options. Something just like inSSIDer would be great. I need to chart/test wi-fi ...

Android Pie introduced Wi-Fi scan throttling, which hobbled Wi-Fi scanning for apps. But Google revealed that a workaround is coming in Android Q.

Doxie just updated its flagship scanner with not one but two new models — the Doxie Go Plus and the Doxie Go Wi-Fi. The Doxie Go Plus, as the name suggests, is an improved version of the scanner.