
The app can display the directions to the nearest cell tower, perform speed and latency tests, display coverage and connection quality on a map, provide you with detailed wireless network information, and much more. WiFi Signal Strength Explorer is a handy little utility which unlike the normal WiFi icon, shows you the strength of connection via dots/percent in the menu bar and by clicking it, you can access some basic details about your current network. OpenSignal is a powerful WiFi analyzer app with a plethora of features intended both for WiFi and cellular monitoring.


But it also comes with a downside which is it will also disconnect you and you have to reconnect again. JamWiFi is another free little tool which can not only analyze devices connected to your wireless network, but you can also disconnect them from using your WiFi. While normally you’d need an external WiFi adapter to these kinds of things, most Macs have a network card that supports monitor mode which overall works out pretty well. WireShark is also capable of working in monitor mode, thereby letting you see what other devices are browsing/watching on your network. Although it comes with a steep learning curve, it is one of the best packet analyzer apps available.

WireShark is an open source and very powerful network analyzer used mainly by network admins and developers.
