WifiSecApp giving you chance quickly to check how secure is your current WiFi connection. How often are you in the coffee shop checking your social media or browsing the news, or even more, checking your bank account? Did you ever think what other people with their devices check at the same time? What If one of them use software that gives him access to the whole data flying around?
WiFiSecApp quickly will check the network for so-called Man In The Middle attack - MITM and will let you know is it secure or not.
Whit whom to share your personal data or keep it private is your personal decision.