NetStumbler is not available for Mac but there are some alternatives that runs on macOS with similar functionality. The best Mac alternative is NetSpot. It's not free, so if you're looking for a free alternative, you could try Homedale or Kismet. If that doesn't suit you, our users have ranked more than 25 alternatives to NetStumbler and nine of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to NetStumbler are WiFi Explorer, WeFi, iStumbler and WiFi Scanner.
NetSpot is a simple and accessible wireless survey tool, which allows collecting, visualizing and analyzing Wi-Fi data.
With Homedale you can search for Wi-Fi / WLAN Access Points and monitor their signal strength. Use the detected access points with Google Geolocation and Mozilla Location Service to locate yourself.
![See an overview of all available access points with their signal strength, encryption [WEP/WPA/WPA2], speed and channel.](https://img.alternativeto.net/s/618x394/avif/8f3b1d9c-e2be-e311-8c57-002590a05f5f_2_full.png)
Kismet is an 802.11 layer2 wireless network detector, sniffer, and intrusion detection system. Kismet will work with any wireless card which supports raw monitoring (rfmon) mode, and (with appropriate hardware) can sniff 802.11b, 802.11a, 802.11g, and 802.11n traffic.
WiFi Explorer is a tool to scan, find, and troubleshoot wireless networks. It can be used to quickly identify channel conflicts, overlapping and other factors (e.g. configuration issues) that may be affecting the connectivity and/or performance of your wireless network in homes...
Wefi has compiled the world's largest collection of free and safe wifi hotspots in order to help you easily find and automatically connect to the best quality FREE and secured Wi-Fi, conserve your precious cellular data plan and battery life.
It appears now it's only an Android app
iStumbler is the leading wireless discovery tool for Mac OS X, providing plugins for finding AirPort networks, Bluetooth devices and Bonjour services with your Mac.
A 802.11 wireless scanner and connection manager for Mac OS X. WiFi Scanner will detect access points and clients in ad-hoc mode if the SSID is being broadcasted. It can be used for wireless site surveys, wireless discovery, and to connect to WiFi networks.
Want to monitor your area networks? Identify and troubleshoot issue with your home, small office or enterprise network? Gather useful information about your network performance? Are you simply in search of an elegant replacement of the default OSX wireless utility?
Use AirPort Utility to manage your Wi-Fi network and AirPort base stations, including AirPort Express, AirPort Extreme, and AirPort Time Capsule — right from your iPad, iPhone, or iPod touch. See a graphical overview of your Wi-Fi network and devices.
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provides great functionality and the heatmapping function is terrific. Too bad it's not free anymore.