With the help of NetSpot one can filter out the issues with and improve network coverage, performance, signal level, interference, access points configuration, etc.
Wifi Scanner by AccessAgility LLC is next WiFi analyzer app for Mac on our list that also detects access points and clients in ad-hoc mode in case the SSID is broadcasted. WiFi Scanner Mac WiFi analyzer tool offers WiFi download and upload speed testing to uncover possible issues. It can also help you detect unauthorized devices on your wireless network with the help of IP scanner.
iStumbler wifi analyzer app for Mac will display networks according to their types, i.e. Bluetooth, Bonjour or AirPort. Thanks to a friendly interface it is easy to see the open networks and secured ones, signal strength of each available network, and the stability of a selected network.
Use WiFi Explorer for WiFi analysis. Detect issues that may be affecting connection and the performance of your network, such as channel conflicts, overlapping and configuration issues, etc. This app can also help discover open, ad-hoc and rogue access points.
Next on this list of wifi analyzer tools is KisMAC — an open-source wifi analyzer application for Mac OS that can map wireless networks and lay out the info on their performance so you can easily troubleshoot. With KisMAC you can see clients and SSIDs (cloaked, hidden or closed).