Metageek has launched Wi-Spy Air and Air Viewer mobile app which is the fast, portable and accurate way to validate and troubleshoot WiFi environments. Level up your iOS or Android device with Wi-Spy Air’s onboard WiFi chipset, transforming it into a professional grade WiFi troubleshooting tool.
Wi-Spy is good handy tool for the engineers who wish not carry to heavy equipment’s such as laptops and spectrum analysers etc. It work with mobile devices and send all spectrum analysis information to the IOS or android app. Probably this is the best tool for the engineers who work for service providers and need to use spectrum analysis everyday as part of the job.
https://www.metageek.com/products/wi-spy-air/