NetSpot is the best WiFi scanner app currently available. Combining beautiful and intuitive user interface with advanced features, NetSpot has become the favorite wireless scanner of hundreds of thousands of home and professional users alike from around the world. NetSpot features two scanning modes: Discover and Survey. Use the Discover mode when you need a quick snapshot of nearby wireless networks, and use the Survey mode to create a visual heatmap that illustrates the strength of your wireless network.
AirRadar uses GPS technology to create a constantly updated map of wireless networks that you can use to always find the strongest signal no matter where you are. AirRadar encourages its users to leave the app open on a laptop while walking around the city. As you walk with your laptop running AirRadar, the app detects all open wireless networks, remembers their location, and saves the information to an internal database. When you later need to access the Internet, you can simply fire up AirRadar and look for the closest wireless networkaround you.
Wi-Fi Inspector from Xirrus is designed to provide real-time monitoring of wireless network status, and help ensure you are getting the highest performance available from your wireless network. The app runs on both macOS and Windows, and it supports the latest Wi-Fi standards, including 802.11ac Wave 1 and Wave 2 technology. Some of the more notable features of Wi-Fi Inspector include the ability to detect rogue APs and the ability to perform Wi-Fi site surveys.
WiFi Explorer is a simple and intuitive WiFi discovery app for macOS. The app gathers configuration and capability information about all the networks it discovers and presents it on an easy-to-use, intuitive user interface. WiFi Explorer allows users to quickly find the best channel for their wireless network and determine which nearby networks could be causing performance issues.